Nicki Minaj Shares Sexy Underwear Selfie, but Admits She Needs 'a Bigger Size'

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Nicki Minaj is showing off her famous curves.

The 33-year-old rapper took to Instagram on Thursday to share a sexy snap of herself in white undies, though she admits they're just a tad bit small.

"Babe thanks but I think I need a bigger size," Nicki wrote.

NEWS: Miley Cyrus -- 'I Can't Compete With Nicki Minaj's Curves'

Impressive abs, Nicki!

While we can't confirm the rapper's underwear gift came from her boyfriend, 28-year-old rapper Meek Mill, we do know that he did give her a giant diamond ring last week. "Now this is what I'm talking about baby. Lol. Love u @meekmill ~ RANG finga whr da rock iiizzzzzzzz," she wrote next to a close-up picture of the blinding bling.

But if you think Nicki and her rapper beau are taking the next step in their relationship, think again.

"He and I are not engaged," she told Billboard on Nov. 23. "But he said he would like to give me three rings before we get married. My birthday's coming up [Dec. 8], and he better get the new one, because he got [the first one] for my last birthday. So let's see what happens."

Clearly, she got her wish.

WATCH: Meek Mill Talks Nicki Minaj Engagement Rumors -- 'Ain't Time to Get Married Yet'

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