Busy Philipps honored her longtime pal Michelle Williams with a sweet tribute for the Oscar nominee’s 40th birthday.The Cougar Town alum, 41, took to Instagram on Wednesday, September 9, to recognize Williams on her special day. Philipps shared candid photos of the pair in a bathroom together as she helped her BFF with her hair, and she also uploaded a shot of Wiliams as a child.“I love these pictures.