2013 Wango Tango | Entertainment News, Photos, and Videos

Colton Haynes sports a “Blame Me” t-shirt on the orange carpet at the 2013 102.7 KIIS FM’s Wango Tango concert held at The Home Depot Center on Saturday (May 11) in Carson, Calif.

The Arrow actor was joined by his co-star Katie Cassidy.

PHOTOS: Check out the latest pics of Colton Haynes

The night before, their co-star Colin Donnell was spotted signing autographs outside of Bootsy Bellows after a night out with his girlfriend Zelda Williams in West Hollywood.

15+ pics inside of Colton Haynes, Katie Cassidy, and Colin Donnell out and about…More Here! »

Adam Levine and his Maroon 5 bandmates – Matt Flynn, PJ Morton, James Valentine, and Mickey Madden – hit the orange carpet at the 2013 102.7 KIIS FM’s Wango Tango concert held at The Home Depot Center on Saturday (May 11) in Carson, Calif.

The guys were joined at the annual concert by Jason Derulo, who flexed his bicep on the carpet, and Miguel.

Last week, Miguel attended the 2013 Met Ball and his journey to the event was documented by Vogue.com! Head on over to the site to check out pics of him getting ready for the gala.

20+ pictures inside of Adam Levine and others at Wango Tango… More Here! »

Demi Lovato and Ariana Grande hit the orange carpet at the 2013 102.7 KIIS FM’s Wango Tango concert held at The Home Depot Center on Saturday (May 11) in Carson, Calif.

The ladies were joined at the event by Victoria Justice, Joe Jonas, Bridgit Mendler, and host Ryan Seacrest (with his KIIS-FM personality Ellen K).

PHOTOS: Check out the latest pics of Demi Lovato

If you haven’t heard it yet, listen to Demi‘s new album Demi and then buy it when it hits stores this Tuesday!

FYI: Victoria is wearing a Guess dress and Steve Madden shoes. Ariana is wearing a Naven top and skirt. Bridgit is wearing Joe‘s jeans. Demi is wearing Saint Laurent shoes.

25+ pictures inside of Demi Lovato and others at Wango Tango… More Here! »

Avril Lavigne hits the orange carpet at the 2013 102.7 KIIS FM’s Wango Tango concert held at The Home Depot Center on Saturday (May 11) in Carson, Calif.

The 28-year-old singer was joined at the star-studded event by Bruno Mars and Emeli Sande.

PHOTOS: Check out the latest pics of Avril Lavigne

“Heading to @1027KIISFM’s #WangoTango! Live at 4:50, can’t wait!” Avril tweeted. “Hanging with @BrunoMars! #WangoTango 2013″

“At the shows I want to see faces. I want to be able to sing to you. I want you to dance with us world. Put the phones down and lets dance!” Bruno tweeted the day before.

15+ pictures inside of Avril Lavigne and Bruno Mars at Wango Tango… More Here! »

Britney Spears dons a little black dress while attending the 2013 102.7 KIIS FM’s Wango Tango held at The Home Depot Center on Saturday (May 11) in Carson, Calif.

The 31-year-old entertainer is the co-host for the evening, alongside Ryan Seacrest.

PHOTOS: Check out the latest pics of Britney Spears

“Wango Tango with @1027KIISFM today :) Who’s pretty faces will I be seeing out there?” Britney tweeted earlier in the day.

Bruno Mars, Avril Lavigne, Jason Derulo, Ariana Grande, and Maroon 5 are just some of the entertainers scheduled to perform tonight!

FYI: Britney is wearing a Robert Cavalli dress, Saint Laurent shoes, and David Yurman jewels.