According to Us Weekly, the star-studded guest list including Amy Poehler and boyfriend Nick Kroll, Maya Rudolph, Lorne Michaels and Adam Sandler.
The unnamed source also told the magazine that Andy's speech was "the perfect mix of comedy and sentiment" and that both he and his new wife were crying throughout it.
"It was a full couture piece. It was custom and collaborative in design," he said.
Samberg popped the question to Newsom in February 2013 after five years of dating. "He liked her music and would go to her shows," a friend told Us in 2012. "He had the biggest crush on her."
Click through the slideshow below to find out which other celebrity couples tied the knot this year.