These dance parties exist. They're hosted in Jane Fonda's home and the likes of Ellen Page "dance like a little lady bug"... Also among the core group of regular attendees include Chelsea Handler, Spikes Jones, Katherine Keener, Mary McCormack... Allison Janney wasn't mentioned, which is bound to be a blow given she thinks she started the craze

Anyway, Elizabeth has been but only as a "plus one." James has never been. This is how desperate they are to go. Or rather, this is how desperate James Corden was to bust out his moves on national telly. Elizabeth Banks is a bit disappointing. There's just a lot of twirling and rudimentary lap dancing.