REESE WITHERSPOON: 4 WEEKS
The Oscar winner is a pro in more ways than one. A month after welcoming her third child, son Tennessee, on Sept. 27, the svelte actress stepped out in a bright blue mini and black booties for an Oct. 26 Rag & Bone party in L.A. "I don't know if I'm bouncing back. I'm slowly crawling back," she shared. "You just have to be gentle and patient with yourself." Obviously, her approach is working.