She's got some front! Mariah Carey almost spills out of deeply plunging dress as she celebrates 46th birthday with champagne and fireworks

This past weekend may have been Easter, but Mariah Carey certainly had another reason to celebrate while on her Sweet Sweet Fantasy Tour in Europe.

On Monday the hitmaker shared a series of snaps from celebrations on Sunday in honor of her 46th birthday, which she had dubbed her 'anniversary.'

And she dressed to impress for the party, sporting a daring mini dress that put her ample cleavage on display, with the star almost spilling out of the plunging top