Ariana Grande‘s “Yours Truly” comes out number one on Billboard 200.  According to Nielsen SoundScan, the debut effort from the 20-year-old-singer slash actress bows atop the list with 138,000 sold. At number two spot is R&B singer Tamar Braxton debuts with “Love & War” moving 114,000 units. Throw summer smash ‘This Way’ on one time to celebrate with the young songstress, you’re officially a star girl, welcome.