If anyone remembers Lucy Newton from Lee's Wicked days (she was mainly a swing, but was 2nd understudy for Galinda - and therefore Louise - and was one of the first people to tweet about Lee when he joined the show), she was at Worthing last night and tweeted the attached pic:
Ruthie, I'm pretty sure he was tie-less in the first half (burgundy suit), then came out for the second with tie, which disappeared at some point (probably when he came back after Louise's second set, can't remember exactly).