Carly Rae Jepsen: Goodbye Las Vegas!

Carly Rae Jepsen smiles big for the cameras while walking through McCarran International Airport on Monday (May 21) in Las Vegas.

The day before, the 26-year-old Canadian musician performed her hit “Call Me Maybe” at the 2012 Billboard Music Awards.

PHOTOS: Check out the latest pics of Carly Rae Jepsen

“@carlyraejepsen u KILLED it last night,” Justin Bieber tweeted. “I think that set is going to look pretty good of the #BELIEVEtour ;)”

He later added, “@carlyraejepsen u did your thing. Proud of u.”