Caitlyn Jenner posts family photo as she celebrates Father's Day with whole family

Caitlyn Jenner celebrated Father's Day with the Kardashian and Jenner families, hosting a party at her Malibu home.

The former Olympian, who is in the process of undergoing gender reassignment, posted a heart-warming family photo which included Kim Kardashian, Kanye West, Kendall Jenner and her half brother Brandon.

Putting rumours of family tensions to rest, the 65-year-old revealed that the group had spent the day at her home before going off-road driving.

Jenner captioned the Instagram picture: "Great day yesterday for Father's Day. We had so much fun off-roading. So much love and support! Love my family!"

According to reports, son Brody was absent due to a prior work engagement while Kourtney and was suffering from the flu.

Supermodel Kendall, 19, shared her own moving tribute to her father on the day, writing: "My whole life this soul was my daddy and just because your appearance is different now doesn't mean you were any less of a father to me my entire life.

"Happy Father's Day to the person who raised me, and taught me everything I know, my hero."

Jenner - who was formerly known as Bruce - is gearing up for the start of her docu-series next month, which followers her transition from man to woman.

According to reports, the former Olympian’s fee is the highest that network E! has ever paid an individual for a solo reality show.

An insider told RadarOnline: “It's the biggest paycheck ever given by E! for a solo reality show, and Caitlyn's agent was relentless in getting her the huge payday.”