Sasha and Malia

Parents: President Obama and Michelle Obama
(credit: JEWEL SAMAD/AFP/Getty Images)

Prince Michael Jackson II, Paris Jackson and Prince Jackson

Dad: Michael Jackson
(credit: Tasos Katopodis/Getty Images)

Liam and Stella McDermott

Mom: Tori Spelling(credit: Alberto E. Rodriguez/Getty Images)

Mason Disick

Mom: Kourtney Kardashian
(credit: Zoltan Moric/Feld Entertainment via Getty Images)

Willow and Jayden Smith

Parents: Will and Jada Smith
(credits: Jason Merritt/Getty Images For BET)

Brooklyn, Romeo, and Cruz Beckham

Parents: David and Victoria Beckham
(credit: Alberto E. Rodriguez/Getty Images for Sports Spectacular)

Brad Pitt and Angellina Jolie six kids

(credit: TORU YAMANAKA/AFP/Getty Images)

Ming Lee and Aoki Lee Simmons

Parents: Russell and Kimore Lee Simmons
(credit: Alberto E. Rodriguez/Getty Images)

Dannielynn Birkhead

Parents: Anna Nicole Smith and Larry Birkhead
(credit: Michael Loccisano/Getty Images)

Max

Mom: Christina Aguilera
(credit: Matt Stroshane/Disney via Getty Images)

Sean Preston and Jayden James

Mom: Brittney Spears
(credit: Angela Weiss/Getty Images for Disney's THE LION KING At Mandalay Bay)

Honor

Mom: Jessica Alba
(credit: SAUL LOEB/AFP/Getty Images)

Lourdes Leon

Mom: Madonna
(credit: Craig Barritt/Getty Images)

Max and Emme Anthony

Parents: Jennifer Lopez and Marc Anthony
(credit:VIRGINIE LEFOUR/AFP/Getty Images)

Kingston and Zuma Rossdale

Parents: Gwen Stefani and Gavin Rossdale
(credit: Paul Hiffmeyer/Disneyland via Getty Images)

Suri

Mom: Katie Holmes (credit: Amy Sussman/Getty Images)

NEW YORK - DECEMBER 14: Actress Katie Holmes (R) and her daughter Suri (L) visit "The Nutcracker" at the New York City Ballet on December 14, 2008 in New York City. (Photo by Amy Sussman/Getty Images)

Catherine's full title and style is "Her Royal Highness Princess William, Duchess of Cambridge, Countess of Strathearn, Baroness Carrickfergus." (credit: Getty Images)