Lindsay Lohan jumped on stage for a surprise duet with her lover Samantha Ronson during a family celebration.The 22-year-old actress Lohan and the 31-year-old Ronson entertained the guests as they performed the Beatles song "With a Little Help From My Friends". Ronson's brother Mark played the guitar, reports thesun.co.uk.
The party was held at the Mandarin Oriental hotel, in London's Knightsbridge, on the occasion of Ronson's little brother Josh's Bar Mitzvah. A guest said: "It was amazing. Everybody loved it. Lindsay and Sam looked really loved up."
