Sexy Stars: Christina Milian wears super sheer dress and Lady Gaga gets bold in bizarre bra

Marah Alindogan

Woah there! Celebs got racy with their hottest outfits this week -- and they didn't opt for the most conservative styles.

Christina Milian made jaws drop in a super sheer blue number. The singer and actress' see-through dress gave everyone a peek of what was hiding underneath.

Fresh off her successful Victoria's Secret Fashion Show performance, Lady Gaga hit the streets in an outrageous bra-and-skirt combo that made heads turn.

Check out other sexy looks from this week in the slideshow below:

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