Peggy’s pants! Bob Benson’s short shorts! Ted’s turtlenecks! Megan’s star print tee! There are major thoughts process behind each of the looks that rocked Mad Men all season, all spearheaded by the show’s brilliant costume designer, Janie Bryant. We’ve been interviewing her all season about the show’s 1968 fashions, and now it’s your turn to ask the Qs. Janie will be joining @InStyle‘s Twitter feed for a live Twitterview on TUESDAY, JUNE 25—and we need your help! Send us all of your questions for Janie by leaving a comment on this post or tweeting us @InStyle using the hashtag #AskJanie. She’ll be doling out answers Tuesday starting at 1 p.m. EST, so be sure to follow @JanieBryant@InStyle, and #AskJanie. See you there!

Plus, see what she said about this season’s fashion.

See the Photos!

MORE MAD MEN:
• Season 6, Episode 12 Fashion Details
• Shop 16 Pieces Inspired by Mad Men
• All About Bob Benson’s Short Shorts
• Who’s Your Mad Men Style Icon?