Celebs attend Yo Gabba Gabba! LIVE! in LA

John Shearer/Invision for GabbaCaDabra, LLC./AP Images

From left, Sparrow Madden, Joel Madden, Nicole Richie, and Harlow Madden attend Yo Gabba Gabba! Live!: Get The Sillies Out! 50+ city tour kick-off performance on Thanksgiving weekend at Nokia Theatre L.A. Live on Nov. 23, 2012, in Los Angeles.

Biz Markie appears on stage at Yo Gabba Gabba! Live!: Get The Sillies Out! 50+ city tour kick-off performance on Thanksgiving weekend at Nokia Theatre L.A. Live on Nov. 23, 2012, in Los Angeles.

Thomas Lennon, left, and Plex appear on stage at Yo Gabba Gabba! Live!: Get The Sillies Out! 50+ city tour kick-off performance on Thanksgiving weekend at Nokia Theatre L.A. Live on Nov. 23, 2012, in Los Angeles.

Lance Robertson, aka DJ Lance Rock, appears on stage at Yo Gabba Gabba! Live!: Get The Sillies Out! 50+ city tour kick-off performance on Thanksgiving weekend at Nokia Theatre L.A. Live on Nov. 23, 2012, in Los Angeles.

Anne Heche, right, and Plex appear on stage at Yo Gabba Gabba! Live!: Get The Sillies Out! 50+ city tour kick-off performance on Thanksgiving weekend at Nokia Theatre L.A. Live on Nov. 23, 2012, in Los Angeles.

Halle Berry, left, and daughter Nahla Aubry attend attend Yo Gabba Gabba! Live!: Get The Sillies Out! 50+ city tour kick-off performance on Thanksgiving weekend at Nokia Theatre L.A. Live on Nov. 23, 2012, in Los Angeles.

Fom left, Tiffani Thiessen, Harper Smith, and Brady Smith attend Yo Gabba Gabba! Live!: Get The Sillies Out! 50+ city tour kick-off performance on Thanksgiving weekend at Nokia Theatre L.A. Live on Nov. 23, 2012, in Los Angeles.

Alyssa Milano, left, and son Milo Bugliari attend attend Yo Gabba Gabba! Live!: Get The Sillies Out! 50+ city tour kick-off performance on Thanksgiving weekend at Nokia Theatre L.A. Live on Nov. 23, 2012, in Los Angeles.

Estelle Fanta Swaray appears on stage at Yo Gabba Gabba! Live!: Get The Sillies Out! 50+ city tour kick-off performance on Thanksgiving weekend at Nokia Theatre L.A. Live on Nov. 23, 2012, in Los Angeles.

From left, Kevin Nealon, Susan Yeagley, and their son Gable Nealon attend Yo Gabba Gabba! Live!: Get The Sillies Out! 50+ city tour kick-off performance on Thanksgiving weekend at Nokia Theatre L.A. Live on Nov. 23, 2012, in Los Angeles.

From left, Yo Gabba Gabba! Co-Creator Scott Schultz, DJ Lance Rock and Kevin Nealon attend Yo Gabba Gabba! Live!: Get The Sillies Out! 50+ city tour kick-off performance on ThankDJ Lance Rocksgiving weekend at Nokia Theatre L.A. Live on Nov. 23, 2012, in Los Angeles.

Paul Scheer attends Yo Gabba Gabba! Live!: Get The Sillies Out! 50+ city tour kick-off performance on Thanksgiving weekend at Nokia Theatre L.A. Live on Nov. 23, 2012, in Los Angeles.

Eric Koston attends Yo Gabba Gabba! Live!: Get The Sillies Out! 50+ city tour kick-off performance on Thanksgiving weekend at Nokia Theatre L.A. Live on Nov. 23, 2012, in Los Angeles.

James Tupper, left, and Anne Heche perform onstage at Yo Gabba Gabba! Live!: Get The Sillies Out! 50+ city tour kick-off performance on Thanksgiving weekend at Nokia Theatre L.A. Live on Nov. 23, 2012, in Los Angeles.

Estelle Swaray, 2nd from right, poses with Plex, Brobee and Foofa at Yo Gabba Gabba! Live!: Get The Sillies Out! 50+ city tour kick-off performance on Thanksgiving weekend at Nokia Theatre L.A. Live on Nov. 23, 2012, in Los Angeles.