04/06/2013 05:03 pm ET Updated Dec 06, 2017

Britney Spears Fans Mad After Jamie Lynn Tweets Justin Timberlake About 'Cry Me A River'

Britney Spears fans got heated after the singer's little sister, Jamie Lynn, tweeted her most famous ex, Justin Timberlake.

On Thursday, the 22-year-old participated in the popular Twitter trend "Throwback Thursday," or #tbt. Jamie Lynn tweeted a photo of her, Britney and Justin in the backseat of a car. In the shot, Jamie Lynn is sitting on the lap of the former 'NSYNC member with Britney beside them.

She also included a message to the "Suit & Tie" singer, according to E! News: "@jtimberlake Weird hearing ur music as an Adult. Ha Not only do I appreciate it. I GET it. #jay #crymeariver #mirror."

Fans didn't respond well to Jamie Lynn's trip down Britney-Justin memory lane. They accused the young mom of going against her sister, Zap2It notes.

Justin, who dated the "Scream & Shout" singer for three years, allegedly wrote "Cry Me A River" about his 2002 breakup with Britney -- and featured a lookalike in the music video.

Jamie Lynn quickly backtracked once fans started defending Brit, tweeting, "I hope you all know that my tweets are only to support my sister @britneyspears - anything left over was to @jtimberlake #sisterlove #4eva," she tweeted, according to Zap2It.

Jamie Lynn has since deleted the tweets.

Although they were once pop music's royal couple, in a 2011 interview with Vanity Fair Timberlake said he and Britney had not spoken in 10 years. For him, the relationship couldn't have lasted because he was a different person then.

“We were two birds of the same feather—small-town kids, doing the same thing. But then you become adults, and the way you were as kids doesn’t make any sense," he said. "I won’t speak on her, but at least for me, I was a totally different person. I just don’t think we were normal; there was nothing normal about our existence. We spent way too much time being the biggest thing for teenyboppers.”

Watch "Cry Me A River" below.



Britney Spears Through The Years