Actress-singer Jennifer Lopez treated her holiday party guests with a sweet serenade. The Grammy winner, 54, was joined by party guest Jenifer Lewis for a special rendition of ‘Have Yourself a Merry Little Christmas’.

JLo and her husband, Ben Affleck, threw a star-studded Christmas bash at their home in Los Angeles, with Lewis, 66, Margot Robbie, Michael B. Jordan and Lily Rabe among the many guests in attendance, reports People magazine.