Despite her mom leaving rehab last week, Rumer Willis managed to put on a happy face -- and a skin-tight dress -- for the Diary of Preston Plummer premiere on Monday evening in Miami.
At the event, the 23-year-old worked one of Herve Leger's signature, cleavage-baring bandage-style dresses.
PHOTOS: More celebs who love sexy Herve Leger minis
Even though her hair was done up in a romantic low chignon, the star kept things edgy with her shoes -- black sandals -- and her makeup -- bright red lipstick and black nail polish.
PHOTOS: Celeb meltdowns
Following her Jan. 23 collapse, Willis' mom, Demi Moore, checked into Cirque Lodge in Sundance, Utah where she stayed until she left for a vacation at Parrot Cay in Turks and Caicos late last month.
PHOTOS: Demi and Ashton in happier times
"She knows she's in a bad place and needs help," a source explained to Us Weekly in January of Moore, 49, who first went to rehab in 1985. "She needed something serious to get her back on track."
Get more Us! Follow us on Twitter, Friend us on Facebook, Subscribe to Us Weekly
Sarah Michelle Gellar talks to Wonderwall's Chris Gardner about "terrifying" paparazzi, growing veggies with her daughter, why she never went to rehab.
The Rock flexes massive muscle while getting sentimental on Celebs Gone Social hosted by Wonderwall editor Chris Gardner.
Kendall and Kylie take Wonderwall behind the scenes at a photo shoot and chat family, embarrassing style moments and more!
See where the cast of "Cruel Intentions" is today.
From Mila Kunis to Mary-Kate Olsen, get the scoop on all the engagements in Hollywood on Replay.
Rihanna, Katy Perry, and Heidi Klum all get an F on this week's Fashion Offenders.
Watch as Gisele Bundchen parties in Brazil, Paris Hilton eats a burger and more in celebs out and about!
Get the latest on Hayden Panettiere's rumored engagement on Replay.
© 2014 Microsoft