Taylor Swift Reaches New Career High With Smash Sales

Credit: Michael Buckner/WireImage.com

Her new romance with Glee's Chord Overstreet isn't the only thing giving Taylor Swift reason to celebrate.

The country crooner, 21, just nabbed her 7th No. 1 record with the hit "Back to December." On top of that, her album Speak Now got certified platinum for the third time.

Currently in the midst of a World Tour, Swift leaves Asia and heads to Brussels to kick off a slew of European dates on Sunday.

"She's pooped, but putting everything into this tour to make it the best thing anybody has ever seen," a source close to the singer tells Us.

Back stateside this May, the star announced plans to share the stage with some other notable crooners. Hunter Hays, Josh Kelley (Katherine Heigl's hubby) and American Idol alum Danny Gokey, who will open for the North American leg of Swift's tour, which starts May 27 in Omaha.