'Jenny From The Block' singer J.Lo and boyfriend Casper Smart were spotted in the audience at Monday night's (16 September) taping of the American version of Strictly Come Dancing.
Jennifer was there to support pal Leah, who is one of the celebrities competing for the Mirror Ball Trophy.
She tweeted a picture of herself and Leah during the night, saying: "Here at #DWTS to support my girl @LeahRemini!!!! She gave it her all and couldn't be more proud of her!!!"
Leah is dancing with professional dancer Tony Dovolani, who coincidentally has a connection to J.Lo: he appeared in her 2004 movie Shall We Dance? and has coached her in the past.
Leah and Tony scored 21 out of a possible 30 points for their foxtrot.
Other stars competing in the autumn 2013 series of DWTS include Jack Osbourne, Snooki and Saved By The Bell's Elizabeth Berkley.