Blair and her baby boy Arthur slide on by at a farmers market in L.A. Plus: Sandra Bullock & Melissa McCarthy, the Hemsworths, Rihanna, Justin Theroux and more
More from PEOPLE
- Why People Loved Can't Buy Me Love's Cindy Mancini
- Read the Cover Story: Growing Up Kennedy!
Exclusive Family Photos from White House Nanny
- Move Over, Justin Bieber. Chrissy Teigen Shares Pic of John Legend's Bare Butt
- Ben Affleck Spotted with Tattoo on His Back Post-Split
- Joni Mitchell 'Has Made Remarkable Progress' After Stroke, Conservatorship Expected to Continue