"Saturday Night Live" returns April 4 with the first of two live shows during the month. Comedy star and writer-producer, Seth Rogen returns as host alongside France's preeminent alternative rockers Phoenix. Seth Rogen returns to the SNL stage as host on April 4th. Rogen lends his voice to the 3D animation phenomenon, "Monsters vs. Aliens," which opens this Friday. He also stars in the dark comedy "Observe and Report," opening April 10. Rogen has emerged leading a new generation of comedic actors, writers and producers with several blockbuster films including "Knocked Up," "Superbad" and "Pineapple Express." Rogen's breakout role was in the critically acclaimed NBC series "Freaks and Geeks," followed by a scene-stealing turn in "The 40 Year Old-Virgin." Up next for Rogen is this summer's comedy "Funny People" opposite Adam Sandler, and he is set to begin production on the highly-antici...