Demi Lovato x Ed Sheeran Duet

In case you didn't know, we're huge fans of the selfie—especially when directed by our favorite models. Now that it's beach season, it's only fitting that we share Victoria's Secret model Alessandra Ambrosio's, err, secret to the perfect swimsuit selfie. (Style.com)

Oliver Theyskens is leaving Theory after four silk and satin-filled years. No news on what "other design projects" he will be pursuing, but we can't wait to find out. (Elle)

Anna Kendrick will star in the new Dreamworks animated musical comedy Trolls. The film is set to explore the secret behind the neon, gravity-defying hair you always tried to comb down but never could. We're guessing Chloe Norgaard will be sitting front-row at the premiere. (Vulture)

In other casting news, our favorite androgynous model, Andrej Pejić, is the first official cast member as "Sister #4" in Sofia Coppola's The Little Mermaid. (Dazed)

NYLON cover girl Demi Lovato and Ed Sheeran teamed up to create the sweetest duet in history at yesterday's 104.3 MY FM’s My Big Night Out. More of a rocker Demi fan? Skip to 3:40. (YouTube)

Our girl Chlöe Howl narrates the complexities of a roller derby love triangle in her newest music video, "Disappointed." Spoiler: It doesn't end well. (Vevo)

Talk about odd couples: Chromeo is apparently investing in an airline. The duo have inked a deal as partners in Canadian airline Mallard Air. (NYLON Inbox)

And in not-so-suprising partnerships, Katy Perry has started her own record label! The pop star's Metamorphosis Music has already signed its first artist, LA singer Ferras. Get the scoop. (MTV)