Cate Blanchett [1] dropped by The Tonight Show on Monday to promote her new film, Carol, which hits theaters on Nov. 20. After her interview, Cate and Jimmy Fallon [2] played a fun round of "Lip Flip," during which they teamed up for a duet of Peaches & Herb's "Reunited," and yes, the results are as hilarious as they sound. Watch the funny video above now, and then check out the trailer for Carol [3].