The joke's on Harry: Duke has 'left himself open to becoming a laughing stock' with new book

The Duke of Sussex was today warned about his book and PR blitz making him a figure of fun - especially for Stephen Colbert - as even their favoured reporter Omid Scobie urged him and Meghan to 'move on' from sledging the royals. Harry is promoting his book on US TV again - this time with Late Show host Stephen Colbert - who appears ready to lampoon the prince and his life In another teaser Mr Colbert said Spare is available in hardback, audiobook and 'commemorative plate' And then in a further joke at the expense of the Royal Family Colbert says: 'Stock up on corgis and steal a priceless cultural treasure from one of your colonies because The Late Show is going imperial.' Prince Harry was seen downing tequila shots with late night host Stephen Colbert He is said to have answered the Colbert Questioner during the segment that will air on Tuesday The chat show star who is turning Harry and the royals into a joke: How Stephen Colbert became the king of US late night TV As the youngest of 11 siblings in a family of intellectuals, liberal comic Stephen Colbert's ability to make himself heard appears to have been ingrained from birth. Prince Harry is seen on Monday leaving his Manhattan hotel and heading to record an episode of Stephen Colbert's show accompanied by an armed guard with a Glock gun lock box The 38-year-old's bodyguard is seen keeping a watchful eye as Harry climbs into his waiting SUV The prince is seen arriving at the studios where Stephen Colbert records The Late Show Harry's memoir is published today, and his interview with Colbert will air tonight Harry is currently in the midst of a media blitz to promote his memoir, for which he was reportedly paid a $20million advance The prince is seen waving to fans as he leaves the Late Night studios in New York City Monday He was escorted by a guard back to his car as he left the studio Harry's armed guard The Glock lock box carried by Prince Harry's guard usually contains a pistol and ammunition. The Duke of Sussex revealed more personal details about his life in the breakfast show interview with former NFL player Michael Strahan on Monday morning Harry is seen with Anderson Cooper during his 60 Minutes interview, which aired in the U.S. on Sunday night In the series, the pair claimed they were victims of 'institutional gaslighting' and accused the royal family of lying to protect Harry's brother Prince William.