Evangeline Lilly is sporting a new look these days. The Lost star took to Instagram on Saturday to reveal her new shaved head, just one day after she teased fans with videos of her at-home haircut. Lilly's post on Saturday showed her shave just one side of her head, while keeping the other side full of her long, brunette locks. It's unclear whether Lilly's look is for a role; she's currently set to star in Happy Life, an upcoming romantic dramedy also starring Alexandra Daddario and Ike Barinholtz. RELATED CONTENT:How 'Lost' Prepared Evangeline Lilly for the Marvel Universe (Exclusive)How Evangeline Lilly Found Out Her Post-'Infinity War' Fate in 'Ant-Man and the Wasp' (Exclusive)

So when ET recently sat down with Lost co-creator Damon Lindelof at the junket for his highly anticipated HBO series, Watchmen, we asked him to set the record straight on all those reboot rumors once and for all. "I, personally, am not going to be involved with other versions of Lost because we told the most complete version," Lindelof clarified. Lindelof currently has his hands full with his dream project as the creator and executive producer of the new Watchmen TV series, which premieres on HBO this Sunday, Oct. 20. HBOOne of the things Lindelof is most excited for Watchmen fans to discover are all of the special Easter eggs he's hidden throughout the first season. So what's the one thing Lindelof wants audiences to know before tuning in to the first episode of Watchmen?