Blaine's big bro, Cooper (Matt Bomer) comes to visit - but it's not exactly a welcome visit for poor Blaine.
Read our guide for season 3 episode 15 of Glee, "Big Brother":
BLAINE’S BIG BROTHER PAYS A VISIT TO LIMA
- Matt Bomer (“White Collar”) Guest-Stars
- Much to Blaine’s chagrin, his big-shot Hollywood actor brother, Cooper (Guest Star Bomer), comes to visit.