On Dec. 21, Kourtney Kardashian revealed that she and partner Scott Disick went with Reign Aston as the name of their third child, a boy they welcomed on Dec. 14.
Former Destiny's Child singer Kelly Rowland welcomed her first child with husband Tim Weatherspoonon Nov. 4. The couple named him Titan Jewell Weatherspoon.
Also born on Nov. 4 was Avri Roel Downey, the daughter of Robert Downey Jr. and his wife Susan. Take a look at other celebrities who have given their children unusual names.
"That '70s Show" co-stars Mila Kunis and Ashton Kutcher have named their daughter Wyatt Isabelle Kutcher.
Fall Out Boy bassist Pete Wentz and his model girlfriend Meagan Camper welcomed their first child together, a baby boy, on Aug. 20. They named him Saint Lazslo.
Pop music star Kelly Clarkson and husband Brandon Blackstock welcomed daughter River Rose Blackstock on June 12.
Rapper Lil' Kim gave her daughter a regal name: Royal Reign. Royal is her first child.
Singer Ciara and her fiancé, rapper Future, named their son Future Zahir Wilburn.
Kendra Wilkinson and her ex-NFL star husband Hank Baskett named their daughter Alijah Mary Baskett. The couple also has a son named Hank IV.
"Transformers" beauty Megan Fox and her husband Brian Austin Green christened their second son Bodhi Ransom Green.
Kate Winslet named her third child Bear Blaze Winslet. Bear is the first child for Winslet and husband Ned Rocknroll, though Winslet has two other children, Mia and Joe, from previous marriages. She told Ellen DeGeneres she loved the name because a friend was nicknamed Bear. "He was very much a bear, he was everybody's shoulder to cry on, he was a big bear hug. He was just this great figure in my life," she said. "Bear's second name is Blaze because my husband and I met in a house fire basically," the actress said, referring to the fire that consumed billionaire Richard Branson's Caribbean home while she was staying there in 2011. "The house burnt down and we survived, but we wanted something of the fire, and so Blaze was the name that we came up with."
Actors Halle Berry and Olivier Martinez named their son Maceo-Robert. He joins sister Nahla, Berry's daughter with ex Gabriel Aubry.
Singer Fergie and her husband, actor Josh Duhamel, named their son Axl Jack. "(The name is) kind of traditional, kind of not," Duhamel explained to People magazine, noting that his wife "is a little rock and roll, so she's a little bit more daring in that department than I am." Nevertheless, Axl Jack is "a name that we both really love, and I think will suit this child."
Actress Busy Philipps and her husband Marc Silverstein christened their second daughter Cricket Pearl. Her older sister is named Birdie.
Singer Jessica Simpson and former NFL pro Eric Johnson named their son Ace Knute Johnson. It's another unique name like Ace's big sister, Maxwell Drew Johnson.
Kim Kardashian and Kanye West's daughter is named North West. Kardashian's mom, Kris Jenner, shared the meaning behind the name during an appearance on "The View." "The way (Kardashian) explained it to me was that North means 'highest power' and she says that North is their highest point together," TV Guide quoted her as saying.
Kristen Bell and Dax Shepard named their daughter Lincoln Bell Shepard.
Uma Thurman and fiance Arpad Busson named their daughter Rosalind Arusha Arkadina Altalune Florence Thurman-Busson (she's known to family and friends as Luna). Thurman's rep told People magazine, "Each name has a special reason and meaning to her mother and father."
Actress Reese Witherspoon and her husband, Jim Toth, named their son Tennessee James.
"The Avengers" star Chris Hemsworth and his wife, Elsa Pataky, named their daughter India. "We love the country and love the name," the actor told USA Today.
Beyonce and Jay-Z named their daughter Blue Ivy Carter. The unconventional name quickly became a trending topic on Twitter, with millions weighing in.
"Clueless" star Alicia Silverstone and husband Christopher Jarecki named their son Bear Blu after -- what else -- a blue bear.
Adam Sandler and his wife, Jackie, named their second daughter Sunny.
Courtney Cox and David Arquette gave their daughter the warm, friendly name Coco.
Sean Penn and his ex-wife, Robin Wright Penn, named their son Hopper, and daughter Dylan.
David Duchovny and his now-estranged wife, actress Tia Leone named one of their kids Kyd.
Fifi Trixibelle, Peaches Honeyblossum and Little Pixie were the names given to the daughters of musician Bob Geldoff and Paula Yates.
Paula Yates continued the unusual name game when her daughter with Michael Hutchence, formerly of INXS, was named Heavenly Hiraani Tiger Lily.
John Mellencamp and his third wife, Elaine Irwin, named their two sons Hud and Spec Wildhorse.
His brother was the late King of Pop -- and Jermaine Jackson's gave his son from his first marriage the royal treatment with the name Jermajesty.
Actors Tom Cruise and Katie Holmes named their daughter Suri. According to Cruise, in Hebrew Suri means princess and in Persian it means red rose.
Actress Gwyneth Paltrow and musician Chris Martin named their daughter after a fruit -- Apple.
The name of Owen Wilson's son with girlfriend Jade Duell seems relatively normal. But Robert Ford also happens to be the name of the man who gunned down Jesse James.
Frank Zappa and his wife Gail named their children Dweezil, Ahmet Emuukha Rodan, Moon Unit and Diva Thin Muffin Pigeen.
Brad Pitt and Angelina Jolie have surrounded themselves with unique names. Their children are named Maddox, Pax, Shiloh, Zahara, Vivienne and Knox.
Singer Toni Braxton and husband Keri Lewis gave their sons the names Denham Cole and Diezel Ky.
Oscar winner Nicole Kidman and her husband, country music star Keith Urban, named their baby Sunday Rose.
Singer Erykah Badu has two children with unusual names: Her son with Andre 3000 of OutKast is named Seven Sirius, and her daughter with rapper The D.O.C is Puma Rose.
Actor Rob Morrow's daughter is named Tu Simone Ayer, as in Tu Morrow.
Christie Brinkley and ex-husband Peter Cook looked to the sea when they named their daughter Sailor Lee.
Rumer Glenn, Scout Larue and Tallulah Belle are the names of Bruce Willis and former wife Demi Moore's three daughters.
Actors Barbara Hershey and David Carradine named their son Free.
George Foreman, former boxer and inventor of the George Foreman Grill, named his five sons all George; George Jr., George III, George IV, George V and George VI. He distinguishes one from another by nicknames such as "Monk," "Big Wheel" and "Little George."
U2 lead singer named one of his daughters Memphis Eve. His other three children with wife Ali Hewson are Jordan, Elijah Bob Patricius Guggi Q and John Abraham.
Actress Kate Hudson and her former husband, musician Chris Robinson, named their son Ryder Russell.
Nicolas Cage, a comic book aficionado, first changed his last name from Coppola to Cage to honor Marvel character Luke Cage. When his son was born, he chose Kal-El, which is Superman's birth name.
Entertainer Penn Jillette and wife Emily gave their daughter a superhero-type name, Moxie CrimeFighter.
"Brothers and Sisters" actress Rachel Griffiths must have had music on her mind when she named her son Banjo Patrick.
Director Robert Rodriguez and first wife Elizabeth Avellan named their four boys Rocket, Racer, Rebel and Rogue. Their one daughter is named Rhiannon.
Sonny and Cher named their daughter Chastity (Chasity recently underwent gender reassignment and now goes by Chaz). Cher followed the unusual name tradition with second husband Gregg Allman when their son Elijah Blue was born.