Happy Birthday, Britney Spears! Watch Her Sing Can't Help Falling In Love To Celebrate!!

It's birthday time for Britney Spears!! The star decided to ring in her birthday festivities right at the stroke of midnight over the weekend, when she dropped a special performance video on her Instagram account for everyone to see!! Related: Paris Says She & Britney Invented The Selfie! In a shoutout to Madonna, watch Brit sing Can't Help