Sara Foster Jokes About 'Nailing Parenting' as Daughter Flips off the Camera in Hilarious Photo

Never a dull moment with Sara Foster‘s daughters!

The actress, 38, shared a slew of vacation photos on Friday from a family trip to Aspen, Colorado, with her husband Tommy Haas and their two daughters — including a hilarious photo that showed her youngest daughter, Josephine Lena, 3, flipping off the camera.

“Feels like I’m really nailing this parenting thing,” Foster jokingly captioned the image.

In the silly photo, Josephine wears a matching grey sweatsuit with colorful stripes on the side as her big sister Valentina Evelyn, 8, watches from the side.

Sara’s sister, Erin Foster, left a sassy message in the comments section, writing, “You’re not really with her enough to be a bad influence.”

Sharing the same photo on her Instagram Story, Sara continued to poke fun at the situation, writing, “That’s what I get after taking her to Aspen for 10 days…”

Want all the latest pregnancy and birth announcements, plus celebrity mom blogs? Click here to get those and more in the PEOPLE Parents newsletter.

In another hilarious video, shared on Foster’s Instagram Story on Friday, Josephine shared that she’s still undecided about whether she likes the family’s vacation spot.

“I like tubing in Aspen and I can’t believe it… I just really love Aspen,” she said in the clip. “But sometimes I hate Aspen… but sometimes I don’t.”

Although Josephine hasn’t quite made up her mind about Aspen, she’s already a master on the slopes!

In a video that showed her youngest daughter in action, Foster joked that Josephine was “3 and skiing blues” while she was “100 and barely getting on the lift.”

Of course, this isn’t the first time the Foster family joked with each other on Instagram.

Last month, Sara and Erin’s dad David Foster jokingly said he was relieved that his daughter’s career path didn’t include a stop in college, as he weighed in on the alleged college admissions bribery scandal that has resulted in the arrests of actresses Felicity Huffman and Lori Loughlin.

“Thank god you didn’t want to go to college-I’d Be in jail right now!!” David, 69, wrote in a text to his daughter Erin, which she then shared to Instagram.

Erin, 36, captioned the post, “Thanks for the confidence, Dad.”

As for what’s next for Sara’s family, in January, the actress told PEOPLE that she was open to having a third child and giving Josephine and Valentina another sibling.

“Who knows. Never say never,” she said. “Things happen when you’re not paying attention.”