Scout Willis sure loves to #FreeTheNipple(s)!

The 24-year-old, who has gone topless in the past, managed to put a shirt on when she stepped out in LA on Wednesday, but forgot to wear a bra underneath her sheer blouse, exposing both her nipples.

RELATED: Scout Willis Shows Off Unshaven Armpit Hair in Workout Photos

scout willis

Though Demi Moore's middle daughter was attending the unveiling of Rihanna's new album cover, there's no doubt in our minds that she stole some of the attention away from the songstress!

Scroll down to see more celebs who've flaunted their … ahem … goods!