Zac Efron went back to his High School Musical roots to greet his Mike and Dave Need Wedding Dates co-star Adam Devine on his 33rd birthday!
"Happy birthday to one hell of a sexy dude. Oh happy birthday to one hell of a cool dude. Oh, I said happy birthday Adam Devine because you're the best, the best, the coolest f**king dude," belts the 29-year-old HSM alum accompanied by a blues piano riff. Check out his Twitter post below:
Should Zac pursue a music career? Tell us in the comments!