Kristen Wiig and Annie Mumolo write greeting cards! In their upcoming movie, Barb & Star Go To Vista Del Mar, Kristen and Annie are the bestest of friends doing all sorts of crazy things on vacation. Star fancies herself a writer so naturally she needs to release her own brand - Greeting Barbs by Star. Available everywhere you rent movies now. There are five cards in this collaboration made with Lionsgate. They are all written by Kristen Wiig and Annie Mumolo, designed by Humdrum Paper. A6 folded card, blank inside, matching French paper envelope.