Lamar Odom says he's addicted to sex -- and claims he's bedded more than 2,000 women ... including strippers and prostitutes. Also, Nipsey Hussle's final day on a music video set was an uplifting, almost spiritual experience alongside DJ Khaled and John Legend. TMZ obtained this behind-the-scenes footage showing Nip, John and Khaled recording the vid ... just a few days before Nipsey would be gunned down outside his Marathon Clothing store in South L.A.