Taylor Swift: Tim McGraw's Superstar Summer Night!

Taylor Swift sings her heart out during Tim McGraw’s Superstar Summer Night presented by the Academy of Country Music at the MGM Grand Garden Arena on Monday night (April 8) in Las Vegas, Nev.

The 23-year-old musician was joined on stage by Tim McGraw and Keith Urban.

PHOTOS: Check out the latest pics of Taylor Swift

“Getting ready for the #ACMs Presents: @TheTimMcGraw special filming tonite w/@Jason_Aldean & @John_Fogerty!” Keith tweeted beforehand.

The night before, Taylor hit the red carpet at the 2013 Academy of Country Music Awards.

FYI: Taylor is wearing an Elizabeth & James dress, Jean-Michel Cazabat shoes, Norman Silverman earrings, and a Le Vian ring.

10+ pics inside of Taylor Swift performing…