"My Big Fat Greek Wedding 3" is now in theaters, offering fans of the franchise a delightful time. The film, a sequel to the 2002 hit, reunites the Portakalos family. Their journey to honor Toula's late father's wish in Greece is complemented by a soundtrack featuring a mix of Greek-themed and romantic songs, including a standout track, "Olie Mazi (We Are All Together)," which was sung by Rita Wilson and written by Diane Warren.