Britney Spears and Lady Gaga duet?

Watch out for a possible album by the two leading ladies of pop - Lady Gaga and Britney Spears.

PHOTOS: Just Spotted, A Frazzled Looking Britney Spears in Miami

Britney Spears emerged from the recording studio in Miami looking frazzled, tired and even injured – sporting a mystery wound on her right ankle.

PHOTOS: Frazzled Britney In Miami

Despite an apparent reconciliation with agent boyfriend Jason Trawick, Britney looked far from happy as RadarOnline.com spotted her, as she took a break from work.

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Britney Spears Bitch Slaps Wandering Jason Trawick

It looks like the third time around may not be the charm for Britney Spears in the man department. She’s hopping mad at fiancé Jason Trawick who was reportedly spotted in the arms of another woman at a Los Angeles bar. Spears, 28, is now giving Trawick, who also doubles as her manager, the cold shoulder. She reportedly is refusing to take his calls and has changed the color of her hair to dark brown to symbolize her change of heart. She was married high school sweetheart Jason Alexander in 2006 in a quickie Vegas marriage and her marriage to dancer Kevin Federline crumbled after two children.