The 22-year-old former Ocean Pacific model and aspiring actress, recently shot a series of Spring 2011 ads for designers James Mischka and Mark Badgley with photographer Tony Duran in Malibu, Calif, People reports.
We're guessing her runway fashion-loving mom, actress Demi Moore approves of her daughter's new endeavor.
No doubt the designers are high on the A-list progeny: Rumer's campaign will feature her modeling evening wear, the duo's new Mark & James contemporary collection, swimwear, bags, shoes and baubles.
"I was thrilled and honored to be chosen to represent the Badgley Mischka brand. Working with Mark and James is an incredible opportunity," Willis said in a statement.
The designers, meanwhile, were all gushy about their new muse: "We adore Rumer, she is glamorous, youthful and fun," they said in a statement. "Rumer captures the spirit of all of our spring collections, especially our newly launched Mark & James collection."
Meanwhile, Santa seems to be delivering lots endorsement deals: "Gossip Girl" actress Blake Lively has just finished a photo shoot for none other than Karl Lagerfeld at Chanel.
And StyleList just reported that Glee's Heather Morris has been named "Flirt" cosmetics brand ambassador.
Also: Read about Badgley Mischka's collaboration with home shopping network HSN.