What do the words Lincoln and Blue Ivy have in common? They're both names given to the children of famous celebrities -- and they're not alone.
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.
Singer Jessica Simpson and former NFL pro Eric Johnson gave their daughter a unique name -- Maxwell Drew Johnson. People reports Maxwell is Johnson's middle name, while Drew is Simpson's mother Tina's maiden name.
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 firstborn daughter Suri. According to Cruise, in Hebrew Suri means princess and in Persian it means red rose.
Actress Gwyneth Paltrow and musician husband 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.
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