WATCH: Kylie Jenner Goes Roller Skating Before Flaunting Bikini Body With Kendall On Father's Day – Did She See Caitlyn?

It may have been Father’s Day, but Kylie Jenner spent her weekend with another family member: big sister Kendall Jenner!

The stylish sisters showed off their rollerblading skills at Moonlight Roller Skating Rink on June 21.

After the skating session, which lasted until 2:30 a.m., the sisters flaunted their toned and trim bikini bodies with a friend in matching swimsuits.

https://instagram.com/p/4NWbT4nGpS/?taken-by=kyliejenner

Despite Kylie’s jam-packed weekend, she did make time to celebrate Father’s Day with Caitlyn Jenner.

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“Gotta make it home in time for Father’s Day,” she tweeted.

The Keeping Up With the Kardashians star even praised her father on Instagram. “Happy Father’s Day my little light of sunshine. “You can still call me dad, Kylie. No matter what I’m always going to be your father. That’s never going to change,” she wrote.