Kate Hudson celebrates her son Ryder Robinson's 20th birthday… as she shares a photo of his birthday cake: 'I just need to let this one digest'

Kate Hudson celebrated her son Ryder Robinson's 20th birthday on Monday by sharing a photo of his birthday cake on her Instagram account.

The 44-year-old actress had a cake with a photo from her eldest child's early years printed on the top to commemorate his special day.

The artist – who opened up about the difficulty of producing rom-coms – also wrote a short message that read: 'I just need to let this one digest… My beautiful boy, happy 20th. I love you more.'

Ryder's birthday was also commemorated by Hudson's former fiancée, Matt Bellamy, who shared a photo with the actress' son on his Instagram account.

In the snap, the Muse frontman was sitting next to him courtside while watching a Los Angeles Lakers game.

Hudson shares her son with her former husband Chris Robinson, whom she married in December 2000.

The former couple started their family with the birth of Ryder, which occurred four years later, and they divorced in 2007.

The Almost Famous actress started dating Bellamy in 2010, and they got engaged the following year.

The couple welcomed a son named Bingham, 12, in July 2011, and although they split in 2014, they have remained on friendly terms ever since.

Hudson eventually moved on with Danny Fujikawa and their daughter Rani Rose, five, in October 2018.

The happy couple announced their engagement to the public in September 2021.

The performer spoke about her children during an interview with The Sunday times and said she was happy to have been able to raise a large family.

“The unity that I have created with three children with three different fathers is a very strong unity, and it is ours,” she said.

The artist – who opened up about the difficulty of producing rom-coms – also wrote a short message that read, “I just need to let this one digest… My beautiful boy, happy 20th.” I love you more'

Ryder's birthday was also commemorated by Hudson's former fiancée, Matt Bellamy, who shared a photo with the actress' son on his Instagram account.

Hudson shares her son with her former husband Chris Robinson, whom she married in December 2000; she is seen with Ryder in 2021

The artist spoke about her children during an interview with The Sunday Times and said she was happy to have been able to raise a large family

Hudson also shared how she learned to love the idea of ​​raising children with both her former partners and her current fiancé.

“It may not look traditional from the outside, but on the inside I feel like we're killing it,” she said.

The actress went on to talk about how she was able to maintain a healthy relationship with the fathers of her two eldest children.

“You can have a great time with an ex-partner because you're really just focused on loving your child,” she said.