Ant Anstead Celebrates 'Beautiful Daughter' Amelie's 17th Birthday amid Split from Ex Christina

Christina Anstead Felt ‘Very Lonely and Frustrated’ in Marriage With Ant

Christina & Ant Anstead split after less than 2 years of marriage

Ant Anstead can't believe how fast his daughter Amelie is growing up.

On Tuesday, the Wheelers Dealers star, 41, shared photos of Amelie on Instagram to celebrate her 17th birthday.

The black-and-white collage included two pictures of the father-daughter duo as well as a solo shot of Amelie having a bite to eat.

″SEVENTEEN! Feels like 17 days ago you came into the world,″ Ant began the sweet caption. ″I’m so proud of the incredible young lady you have become and the impact you have on everyone around you!″

He continued, ″You are a beacon of light. Never change Ammo. Keep being you. Truly a best friend who inspires me daily. Happy birthday my beautiful daughter ❤️@amelieanstead.″

Amelie replied to the heartwarming post, ″Love you !! ❤️"

Ant — who shares daughter Amelie and son Archie, 14, with his ex-wife, Louise Herbert — also posted a picture of him wishing his daughter a happy birthday over a video call to his Stories

In the picture, the British TV host is holding 1-year-old son Hudson London, who he shares with ex Christina, 37.

Ant Anstead Instagram Stories

RELATED: Christina Anstead Celebrates Daughter's Birthday at Paris-Themed Bash amid Split from Husband Ant

He also posted a picture of Amelie giving a thumbs up while standing next to her birthday present — a grey Mini Cooper!

Ant Anstead

After being separated from his two older children, who live in the U.K., for several months due to COVID-19–related travel restrictions, Ant traveled to his home country and underwent the required 2-week quarantine for those visiting from the U.S. in order to spend time with them.

He shared a series of adorable photos of them all together — including one in which he gives Amelie a mock-disapproving look for her outfit choice — and wished Archie a happy 14th birthday on August 27.

Ant Anstead/Instagram

Ant Anstead/Instagram

Ant's most recent post comes less than two weeks after his Christina announced that the couple had split after less than two years of marriage.

Christina — who shares daughter Taylor, 10, and son Brayden, 5, with her ex-husband and Flip or Flop co-host Tarek El Moussa — shocked fans with her statement posted to Instagram.

″Ant and I have made the difficult decision to separate. We are grateful for each other and as always, our children will remain our priority. We appreciate your support and ask for privacy for us and our family as we navigate the future," she said in the post.

The pair began dating in October 2017, less than a year after her public split from El Moussa in December 2016. Her divorce was finalized in January 2018, 11 months before she and Ant married.

Ant moved to the U.S. from England, where he had lived his whole life, in 2017 when he signed on to co-host Wheelers Dealers, his car-focused Discovery show. He met Christina shortly thereafter, and the pair married at their home in Newport Beach in December 2018.

On Monday, Ant assured his followers that he and Christina are both ″fine" amid the split.

RELATED: Ant Anstead Asks Fans to ‘Stop Trying to Diagnose' Reason for Split from Christina: 'Not Fair'

After he posted a picture of himself and Hudson on Instagram, comments quickly came pouring in from concerned fans offering advice about his and Christina's relationship, but he wasn't interested in the strangers' takes.

Within a few hours of posting, he turned off all comments and amended the caption to read: “This was a father-son moment! But due to some mean people I have turned comments OFF! While we both appreciate words of support, Please stop trying to diagnose from afar. It’s not fair."

He continued, "Christina is fine. I am fine. And we remain good friends and will navigate this at our pace. Compassion and kindness is all that’s needed. X.”

Ant Anstead

A source recently told PEOPLE that the pair had been struggling with their relationship for a year following the birth of Hudson in September 2019.

The Christina on the Coast star was left feeling ″lonely and unhappy″ with her home life, the source said, adding that ″Christina found it difficult to balance everything″ and ″their marriage was struggling."