Katy Perry Reveals Superbowl Halftime Details, Rachel Zoe Launching Maternity Line and More

Superbowl hype is in full effect and halftime performer Katy Perry is one reason why. The singer teased some details about her performance, supposedly involving a lion and sharks. As for the outfit? "All I'll say about my opening costume is that it's going to be flaming hot—not the Cheeto." Hmm. [The Hollywood Reporter]

If you're a fan of Shay Mitchell's style, you can get a piece of it in her latest collaboration with jewelry brand Capwell & Co. She teamed up with her bestie Michaela Blaney, whom she runs the style blog Amore and Vita with, to curate a 13-piece line all under $100. [SheFinds]

Stylish mom Rachel Zoe is bringing her fashion sense to the motherhood masses with the launch of a maternity line for A Pea in the Pod. It will debut in March and encapsulates the glam-bohemian aesthetic the stylist is known for. [WWD]

Kristen Bell partnered up with social change brand Apolis and This Bar Saves Lives, a company that provides food for children in need, to co-design a vegan "This Bag Saves Lives" tote. Each purchase of the bag will provide treatment to a victim of malaria. [InStyle]

Tommy Hilfiger is penning a memoir coming this fall. It coincides with his namesake brand's 30th anniversary and will include stories on his experiences in the fashion industry. "I've had the adventure of a lifetime," he said in a statement. This will definitely be an addition to the StyleBistro book club.