Comedian Elaine Carroll’s brilliant series of shorts on the life of the blimp-crashing, paxil shake-drinking Mary Kate became a bona fide hit earlier this year, but success hasn’t gotten to her head. The videos just keep getting better — especially this one, where a Zac Efron ringer stops by MK’s “26 bedroom, 2 bath” Manhattan apartment for an intimate dinner. Mondays aren’t so bad, are they? —Krista Jennings

Very Mary-Kate: Zac Efron from Mary-Kate Olsen on Vimeo.