Khloe Kardashian’s baby daddy Tristan Thompson was slammed for leaving out one of his children in his latest Instagram post.

Tristan Thompson has gotten himself in hot water after he failed to include one of his son's in a family photo.

Over the weekend, the “Kardashians” star posted photos from her daughter’s big day, which featured a “Rainbow Friends” theme.

Khloe Kardashian celebrated her and Tristan Thompson’s daughter True Thompson’s 7th birthday with the most luxurious gifts—a Louis Vuitton bag and a diamond necklace.

Khloe Kardashian's daughter True Thompson turns 7 on April 12. Celebrate her birthday by learning more about her and brother ...

Tristan Thompson has been awarded permanent guardianship of his 17-year-old brother, Amari. He will now be in charge of Amari's medical decisions, finances, and more. Judgment Day: Tristan ...

Khloé Kardashian and Tristan Thompson's co-parenting has gotten tricky lately. Khloé, 40, told her bestie Malika Haqq on a recent episode of Hulu's The Kardashians: "True thinks me and Tristan ...

The reality star recognized, however, “I think it’s so important that they play with him and they really get to know him.” ...

Lil Baby & Khloé Kardashian were spotted having lunch together and the speculation that the pair is dating ran wild on Twitter. Tristan Thompson and Maralee Nichols have agreed to a $9,500 ...

Khloé Kardashian got honest about her exes, Lamar Odom and Tristan Thompson, mistreating her during their past relationships on The Kardashians' season finale! | TAG24 ...

Tristan Thompson also shared a photo for his birthday, writing in an Instagram post, "Happy birthday to my sweet baby brother Amari! I love you forever!" Kardashian and Tristan Thompson broke up ...

Originally appeared on E! Online Khloe Kardashian’s daughter True Thompson has expensive taste.