Britney Spears has shown her support for Kate Beckinsale while slamming the Osbournes.

The "Oops!...I Did It Again" singer recently backed Beckinsale, 50, from her critics who claimed that she kept posting what she wanted instead of "age appropriate content." According to Spears, the "Pearl Harbor" actress was a "bada*s," especially on how she got back with her bashers.

"I adore Kate Beckinsale especially because she's from London!!!" Spears wrote on Instagram. "I realized how incredibly cruel people were talking about her IG saying she needs more age appropriate content... she's in her fifties, and I thought it was pretty bada*s how she responded with a mini bow in her hair looking literally 4 years old."

Spears reflected on her own critics, particularly those who claimed she was dancing on Instagram all day. She also cited two reasons in her argument.

"Not as bad as some of my comments saying it's sad that I'm as old as I am and dancing every single day on my IG. Number 1) I hardly ever dance.. and number 2) I am not poor at all," Spears added.

"I have more ligature in my left toe than any grown man or woman on earth!!! If you don't believe me... how long do you think I should keep this going for??? In my transparent opinion, wealth and health, it isn't relied solely on cash in your bank account which I have lots of that too."

She added, "I'm gonna do a photoshoot with Kate and tell the Osbourne family, who is the most boring family known to mankind, to kindly f**k off!!!"

The "Toxic" singer's post was not only to show her support for Beckinsale, it was also a clap back to rocker Ozzy Osbourne and his family. Ozzy, his wife and kids commented on Spears' dance videos on Tuesday's episode of "The Osbournes Podcast." The former Black Sabbath frontman said he was "fed up with seeing poor old Britney Spears [dancing]. Every f*****g day."

"You know, it's sad. Very, very sad," he added.

Sharon, Kelly and Jack Osbourne all agreed with Ozzy.

"I feel so sorry for her," Kelly said. Her brother, Jack, aired the same sentiment, saying it was "very sad indeed." Meanwhile, their mom, Sharon, called Spears "a poor little thing."

Britney Spears
Britney Spears attends the 2016 MTV Video Music Awards at Madison Square Garden on August 28, 2016 in New York City. Jamie McCarthy/Getty Images
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Britney Spears, Kate Beckinsale