'NCIS: L.A.' Star Eric Christian Olsen Blogs at ET


NCIS: Los Angeles hunk Eric Christian Olsen joins ET's Nancy O'Dell on the stage and blogs exclusively for ETOnline!

The star comes to the set dressed to impress and even does an impromptu fashion twirl for Nancy onstage.

Watch the video to see if Eric can handle his co-hosting duties blooper-free and be sure to tune in to ET on Tuesday as he reveals secrets about this season's NCIS: Los Angeles.