Christina Aguilera, 40, takes the plunge in a VERY low-cut swimsuit showing off her ample cleavage

Christina Aguilera shows off her curves in black swimsuit for Valentine's Day in Miami

Happy Valentine's Day from Hollywood! Cindy Crawford and Christina Aguilera spread the love

Christina Aguilera, 40, Gives Major ‘Stripped’ Vibes In New Studio Pic 19 Years After The Album’s Release