As you can see (above), Duff chose to go as a sexy pilgrim while her boyfriend Walsh dressed — ugh — as a Native American "chief," complete with red paint on his face and a headdress to boot.
Related: Hilary & Jason Are Already Thinking About Moving In Together!
Sarah-Jane was sure she was dressed to impress as she hit the London party scene with full force through her disco diva ensemble.
The former Xtra Factor host didn't leave a lot to the imagination as she showcased her enviable curves to full impact.
Ch-ch-check out the shortlist of nominees (below) as we wait for the FINAL list that will drop January 23 — only a day before the Oscar nominations announcement! Spending time Friday night at the Casamigos Tequila Halloween Party in Beverly Hills, the 29-year-old former Disney star and her new boyfriend, trainer Jason Walsh, got into a bit of hot water with a very questionable choice for costume!