Courteney Cox wowed fans anew by effortlessly playing the piano in a musical collaboration with British singer-songwriter Natasha Bedingfield Monday.

Cox, who played Monica Gellar in the iconic sitcom "Friends," took to Instagram to show off her impressive musical skills as Bedingfield sang along to her 2004 smash hit "Unwritten." Guitarist Rod Castro played the strings in the rehearsal video.

"That's what we've been doing. I love you," Cox could be heard saying after the song.

Bedingfield ended the clip by singing a few lines from the "Friends" theme song, "I'll Be There for You" by The Rembrandts.

"BTS message for my JMD… rehearsing with @natashabedingfield and @iamrodcastro for a special @uclaioes performance Oct 13," Cox captioned the post, which has so far garnered nearly 200,000 likes from fans who were delighted by the actress' talent. Many of them also took to the comments section to praise her.

A fan wrote, "Love your passion for music. You're such a beautiful soul."

Another noted, "You are making our hearts and our Monday more beautiful with music and your best content. We love you."

Bedingfield also expressed her excitement over the collaboration.

"Can't believe how much our guitarist @iamrodcastro looks like your painting! Totally makes my whole life to have you playing my song with me @courteneycoxofficial ___ love you," Bedingfield commented on Cox's post.

Cox has kept most of the details of the musical collaboration under wraps but according to People, the rehearsal is for a performance at the University of California, Los Angeles' Institute of the Environment and Sustainability, which is scheduled for Oct. 13.

The "Cougar Town" actress dedicated the rehearsal clip to her 45-year-old boyfriend, Snow Patrol singer Johnny McDaid, with whom she has been in a relationship since 2013.

The pair reportedly got engaged in 2014, broke it off but remained together ever since.

In July, Cox posted a photo with McDaid on the set of "Friends" in celebration of the singer's 45th birthday.

"Happy Birthday to my best friend and love. He's the kindest, most patient, best listener, curious, caring, not to mention talented and gorgeous partner. I love you jmd. x," she wrote in the caption.

Last year, McDaid was forced to quarantine in Europe for nine months. It was the longest time the couple has ever been separated from each other.

"He was supposed to go to Switzerland to write and instead had to go to England. Then all of a sudden, this all happened and they called a quarantine," Cox said in the Ellen DeGeneres show in 2020, according to People.

Courteney Cox
Actress Courteney Cox poses for photographers upon arrival at the Ivor Novello awards in central London on May 19, 2016. Getty Images/ Justin Tallis