Show Biz Buzz 11/5: McConaughey is Nervous; And Shia LeBeouf Thanks A Cop..

Matthew McConaughey turned 50 yesterday and finally joined Instagram.  The Oscar winning actor shared his first video post on the social media platform. Check it out here. Plus, Lena Dunham is walking with a cane and explains her diagnosis; and Shia LeBeouf thanks a cop for arresting him! Click below to find out why and see the Show Biz Buzz!