Meryl Streep’s daughter Grace Gummer makes her “Smash” debut in Monday’s (March 26) episode as Eileen’s (Anjelica Huston) daughter, Katie. Check her out in the clip above as she surprises Eileen in her new digs.

Viewers also get a glimpse into Tom (Christian Borle) and Derek’s (Jack Davenport) history together and why they have such animosity toward each other. Looks like it stems from a botched production the pair worked on more than a decade ago. And they used to be friends? Hard to imagine …

Tune into NBC for the full episode Monday at 10 p.m.

Posted by:Jennifer Harper