She's a real "heartbreaker" now!
Mariah Carey, 46, stopped by Andy Cohen's Watch What Happens Live on Tuesday — and all we could focus on was her impressive weight loss!
RELATED: See Jessica Simpson's Impressive Weight-Loss Transformation
Mariah in November 2012 (left) vs. Mariah last night on WWHL (right). (Photo Credit: Getty Images)
The mother-of-two put her cleavage on display in an LBD and topped her look off with black fishnets and pumps.
It's a big time in Mariah's life, between her upcoming E! docu-series, Mariah's World, and recent engagement to Australian billionaire James Packer.
Keep it up, dahhhling!