The popular Nick Jr. show Yo Gabba Gabba! is a hit with the young and old, and their two night engagement of Yo Gabba Gabba! Live! There's A Party In My City in Los Angeles brought out lots of celebs and their adorable kids.
Next Slideshow: Steppin' Out: November 29 - December 6
Girls Night Out: Christina Milian and her daughter Violet take in the show on November 26.
A Family Affair: Nicole Richie lets Sparrow and Harlow meet their favorite Yo Gabba Gabba friends at the November 27 show.
Like Father, Like Son: Diego Luna and his son, Geronimo, have matching stunned expressions at the November 27 show.
Look Over There: Jessica Alba wants to make sure her daughter, Honor Marie Warren, doesn't miss any of the action at the November 27 show.
Fun Knight: Kelis and her son, Knight Jones, hang with Leslie Hall during the November 26 show.
Switcheroo: Taboo from The Black Eyed Peas takes a break from the stage and watches the November 27 show with his wife Jaymie Dizon and their son Jimmy Gomez.
Show Stoppers: Joel Madden and his fiancé Nicole Richie join DJ Lance on stage during the November 27 show.