Meghan Trainor Gets Jingle Ball Serenade For 21st Birthday - Watch Here!

Meghan Trainor Gets Jingle Ball Serenade For 21st Birthday - Watch Here!

Meghan Trainor gets a huge surprise on stage during 93.3 FLZís Jingle Ball 2014 at Amalie Arena on Monday night (December 22) in Tampa, Fla.

The “All About That Bass” singer was treated to a cake and serenade from the whole arena to celebrate her 21st birthday!

PHOTOS: Check out the latest pics of Meghan Trainor

“Luckiest birthday girl in the world. Thank you Tampa and #jingleball2014 for celebrating it with me?????????????????? and thank you @nickjonas for everything,” Meghan captioned with a cute video from the event.

Check it out below, with 20+ pics inside…

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Credit: Alexander Tamargo, Tim Boyles, Gerardo Mora; Photos: Getty, iHeartMedia
Posted to: 2014 Jingle Ball, Birthday, Meghan Trainor