Tristan Thompson was the ultimate proud dad as he supported his daughter True,7, and niece Dream Kardashian at their lemonade stand over the weekend.

The NBA star, 34, took to Instagram earlier today to share photos from the sunny setup, writing, “Lemonade was a 10/10!! Congrats girls!!.”

True teamed up with cousin Dream, 8, the daughter of Rob Kardashian and Blac Chyna, to run the booth.

The girls twinned in denim shorts and white sneakers while showing off colorful signs that read “Lemonade Stand” and “True’s Lemonade Stand.

The duo proudly posed with their signs and even had baskets of lemons and treats on display, making the event look like a picture-perfect neighborhood stop.

Photos also showed Thompson rocking a black tee, diamond chain and shades as he posed with his youngest son Tatum, 3, who beamed in a bright yellow T-shirt. The toddler looked thrilled to join in on the fun, clutching a jar filled with cash as customers lined up.

The outing offered another glimpse into Thompson’s growing blended family. In addition to True and Tatum, he is dad to Prince, 8, with ex Jordan Craig, and Theo, 4, with Maralee Nichols.

While Thompson has not shared photos of Theo, he has been highlighting more moments with Prince. Earlier this week, he posted pictures of the pair in matching white shirts, flashing peace signs and enjoying a slice of red velvet cake.

He simply captioned the post, “Twin,” with Khloé Kardashian chiming in to comment, “Prince is too cute!”

Earlier this month, the NBA star shared a back-to-school clip of Prince heading into third grade, where the youngster said he was most excited about classroom prizes, bringing home a Chromebook and scoring merch from YouTube star MrBeast.