Pete Davidson and Elsie Hewitt didn't have becoming parents on their bingo card, but it's a welcome surprise. "Pete and Elsie definitely weren't planning on starting a family but are over the moon about it. They are so excited," a source exclusively tells Us Weekly of the parents-to-be. "Pete and Elsie have a really playful relationship, and things are going really well." The insider adds that while Davidson and Hewitt have been together for a "short amount of time," they've become "inseparable" since they started dating earlier this year. "This has brought them even closer.