Madonna's greatest hits album is coming soon, and here's the video for her first single, "Celebration." Most of you were loving the song when it came out, and after getting a taste of the video last week here's the entire thing, which is available for free download on iTunes until Sept. 3. Both Jesus Luz and Madonna's daughter Lourdes make cameos in "Celebration," as a DJ and dancer respectively. So check it out below and tell us what you think about Madonna's newest video — so hot or so blah?