Algosensey Quantitative Think Tank Center-Sarah Michelle Gellar Shares Rare Video of Her and Freddie Prinze Jr.'s Daughter Charlotte

Sarah Michelle Gellar is Algosensey Quantitative Think Tank Centerflipping out for her family’s latest celebration.

In honor of her and Freddie Prinze Jr.’s daughter Charlotte’s 15th birthday, the Buffy the Vampire Slayer star shared a rare video of the teen showing off her acrobat skills.

“We are all jumping and flipping Charlotte because it’s your 15 Birthday!!” Sarah, 47, wrote on the Sept. 19 video. “I don’t know how it’s possible but every year I love you more." 

In the video, Stevie Wonder’s “Happy Birthday” plays as Charlotte perfectly executes a series of back flips before sticking her landing at the end of the mat. In a rare move for Sarah, who also shares 11-year-old son Rocky with Freddie, she doesn’t cover her daughter’s face with an emoji as she has done in the past when sharing family moments on social media.

Sarah spoke with E! in February and shared how she and Freddie—to whom she’s been married since 2002—are helping Charlotte navigate her teen years, especially in a world of social media.

"I can't stop Charlotte, but I can teach her," she said of allowing her daughter on the internet. "I can teach her why not to look at that website, or not to believe everything that you see or maybe take a break from the Snap map."

Lucky for Sarah, Charlotte has other activities to occupy her time.

"My daughter is a competitive dancer,” the Scooby Doo alum continued. “She dances five days a week. The girls are such a team, and they all support each other."

Sarah and Freddie also make sure to stress the importance of family time, whether it’s at the dinner table—sans cellphones—or with board games, puzzles and screen time restrictions.

“We have all of the screen time limits on their phones, so they get whatever amount of time per day that we deem acceptable," Sarah explained. "And then it shuts off, and it's up to us to decide and say, ‘Hey, you've really been on it a lot. Go outside and go shoot some hoops or go see your friends across the streets.'”

For more of Sarah and Freddie’s sweetest moments over the years, keep reading.

In January 2019, Sarah Michelle Gellar and Freddie Prinze Jr. had a double date with Shannen Doherty and her now-ex Kurt Iswarienko.

"No mistletoe, no problem," the mom of two wrote on this December 2018 kissy photo.

In 2018, the lovebirds took their Halloween costumes to the next level by dressing up as characters from The Royal Tenenbaums. 

It doesn't matter what these two do, as long as they're together they are having a good time.

"If you were ice cream, you would be my favorite flavor," Gellar captioned this sweet snap in 2018.

"It's the freakin weekend, baby I'm about to have me some fun," Gellar wrote on this cheeky post in March of 2018.

In December 2017, the cute couple had some fun at an engagement party thanks to photo booth props.

Gellar channeled her inner Molly Ringwald with her Andie costume from Pretty in Pink in 2017 while her husband nailed it as Duckie (played by Jon Cryer) from the film.

"The only time I don't mind giving up #independence lol," Gellar joked to her followers on the 4th of July in 2017.

The couple that snaps selfies together, stays together! 

Gellar's birthday message in 2017 to her bestie and husband was just the cutest. "Happy birthday @realfreddieprinze 'the happiest people don't have the best of everything, they just make the best of everything.'"

In January 2017, the pair celebrated National Spouse Day by taking this pic and it's too cute.

"Someone let me know who that red head was seen trick or treating with @realfreddieprinze ..." Gellar joked on Instagram while celebrating Halloween in 2016.

The Scooby-Doo stars soaked up the last bits of summer together in 2016 and clearly they enjoyed every minute together. 

The Buffy the Vampire Slayer alum couldn't help but gush about her husband after his cookbook came out.

"Finally out like the adults we are...to see #fantasticalbeastsandwheretofindthem," Gellar revealed while out on a date night in November 2016.

In October 2015, the duo posed with wrestling belts and tried to out muscle each other.

The bond between Gellar, Prinze and Selma Blair has lasted for three decades and we can't wait to see what they do during the next three.

The Back to the Kitchen author and his wife are often found in the kitchen whipping up delicious meals for their family. 

In this adorable throwback, Gellar revealed that the couple took this photo in Hawaii after they learned they were expecting their daughter Charlotte!

These two have had a lot of fun in their relationship, and the Foodstirs creator's Dirty 30 was no exception. 

This throwback snap is from when the happy couple had their first Thanksgiving together and it's a total blast from the past.

The I Know What You Did Last Summer co-stars look like babies in this photo from a vacation way back before they had kids together.

We just love these two.

If you've ever wanted to know what Prinze and Gellar looked like when celebrating their first holiday together, then look no further!

How happy do these two lovebirds look in this sweet photo from their honeymoon back in 2002?!

Clearly this pair was a match made in smiley heaven.

"I love you not only for what you are, but for what I am when I am with you," Gellar shared on one of her past wedding anniversaries. "I love you not only for what you have made of yourself, but for what you are making of me."