NBC Primetime Lineup -- Friday May 10

Tonight at 8/7c, Cassandra, Daniel and Hunter face off in the final challenge to determine who will be this year’s Fashion Star. Then, at 9/8c, Dateline NBC has the shocking story of convicted killer Jodi Arias. Following and leading into your late news, it’s an all new Rock Center with Brian Williams at 10/9c.

Saturday, Kristen Wiig returns for her hosting debut on an all new episode of SNL. Watch for an email later today with details on an EPK and News Channel material.

On Sunday, at 9/8c, find out who gets fired over a new flavor of Walgreen's Delish ice cream as we get closer to the finale of All-Star Celebrity Apprentice. And Monday, it’s Top 12 excitement as the Live rounds begin with a dozen spectacular performances at 8/7c on The Voice.

Here's a preview of Wiig on SNL: