... like a diamond! The singer stuns during a walk through Santa Monica, California. Plus: Jennifer Lopez, Idris Elba & much more

ONE FOR THE BOOKS

Alec Baldwin finds himself in good company with wife Hilaria and chef Giada De Laurentiis at Saturday's Authors Night at the East Hampton Library in New York. (Baldwin is a founding co-chair and Laurentiis is an honorary co-chair of the organization.)