Girls actor Adam Driver -- who plays Adam Sackler on the HBO series -- tied the knot with fiancee Joanne Tucker in a destination wedding attended by costar Lena Dunham. Credit: Bruce Glikas/FilmMagic

Just married! Adam Driver's character on HBO's Girls may not be lucky in love, but in real life, the actor is happily coupled up with Joanne Tucker. In fact, the two got married over the weekend of June 22, sources confirm to Us Weekly.

An insider tells Us that Driver and his longtime girlfriend said "I do" in a destination wedding attended by his Girls costar and onscreen love interest Lena Dunham, who brought boyfriend Jack Antonoff of the band fun.

"They are very sweet together," a source told Us of the actor, 29, and Tucker. "They've been dating forever, years, and live together; [they're] very comfortable and in love. She was with him before the Girls fame."

Another insider added: "They both love theater and the arts. She respects him so much...Everyone on the show is very happy for them."