Mariah Carey's
cleavage is out of control!

The 45-year-old singer hit the red carpet at the Los Angeles premiere of "Hercules" on Wednesday night, rocking a plunging LBD that showed off tons of skin and boob. She completed her sexy look with white stilettos, a long, delicate gold necklace and her signature wavy tresses.

The "Thirsty" crooner was all smiles while strutting her stuff for photographers, flaunting her bodacious curves and lots of leg.

The Grammy-winner singer was at the premiere to support her pal Brett Ratner, who directed the movie.

"A+++mazing movie !!!!! @HerculesMovie @BrettRatner," Mariah wrote on Twitter after the screening ended.

Gotta love her for supporting her famous friends! 

What do you think of Carey's super-sexy look? Tell toofab in the comment section below, and click "Launch Gallery" above to see all the stars at the "Hercules" premiere, including Dwayne "The Rock" Johnson, Irina Shayk and Kylie Minogue.

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