Prince Harry and Meghan Markle left the Royal Family off the invite list for their daughter's birthday party amid their bitter years-long feud, a royal expert claims. Princess Lilibet is celebrating her third birthday today and her parents marked the special occasion with a party at their home in Montecito, California , over the weekend. It's believed Meghan and Harry kept the guestlist small, with no members of the Royal Family present.

While the Royal Family didn't attend the party, Meghan and Harry's close friends and family were there as well as some of Lilibet's friends. Royal author Tom Quinn has claimed celebrities including Katy Perry and Orlando Bloom with their daughter Daisy were also at the bash. For all the latest on news, politics, sports, and showbiz from the USA, go to The Mirror US .

READ MORE: Inside Princess Lilibet's family photo album as 3-year-old is growing up fast Speaking exclusively to The Mirror , Tom said: "Rather than go for a low-key celebration Harry and Meghan have spent the past weekend enjoying a pre-birthday bash for their daughter Lillibet's third birthday – hugely expensive presents have been ruled out but the couple's mansion in California was awash with celebrities including Katy Perry and Orlando Bloom and their daughter Daisy who is just a few months older than Lilibet." Meghan and Harry became neighbours with Katy and Orlando when they moved to their home in Montecito after stepping down from the Royal Family. They also live close t.