Sienna Miller (“Casanova,” “Factory Girl”) has seemingly officially split from boyfriend Rhys Ifans (“Notting Hill”) because he was jealous over her seeing so much of one of her many exes, Matthew Rhys (“Brothers & Sisters” – he only plays gay on TV). Sienna broke it to Rhys by phone while they were in different countries. [...]

Gillian Anderson (“The X-Files”) and her boyfriend Mark Griffiths are expecting their second child together. The baby will join brother Oscar, a toddler. Gillian also has a 13-year-old daughter, Piper, from her first marriage. Source: AP

Mario Lopez and his “Dancing With the Stars” partner Karina Smirnoff have split. The pair met when they teamed up on the show in 2006. Source: OK!

Serial dater Cameron Diaz had dinner Sunday with model Paul Sculfor, an ex of serial dater Jennifer Aniston. The two enjoyed Italian at Santa Monica’s Il Ristorante di Giorgio Baldi. Source: People

Michelle Monaghan (“Made of Honor”) is joining Hollywood’s baby brigade. She and husband Pete White, a graphic designer, are expecting their first child together in the fall. The pair will have been married three years in August. Source: People