Cheryl Cole jets off on secret 'romantic holiday' with Derek Hough Derek Hough is said to have surprised Cheryl Cole by whisking her off to Tanzania for a dream romantic holiday. Cheryl Cole và Derek Hough Cheryl Cole The dancer, who has been linked to the X Factor judge in recent months, only told her they were going to Tanzania in Africa when they arrived at the airport. However the pair did not put on any show of affection at London's Heathrow on Tuesday night and instead walked determinedly apart. Flight for this love: Cheryl Cole pictured at Heathrow Airport on Tuesday night with Derek Hough before boarding a flight with him for a romantic break in Tanzania Cheryl then hugged her assistant goodbye before boarding a flight with Dancing With The Stars professional Derek. Their cosy trip together will do nothing to dampen speculation of a blossoming romance. Since her split from her errant England and Chelsea footballer husband earlier this year, Derek, 25, has been a rock for 26-year-old Cheryl. Dream holiday: The pair walked determinedly apart as they stalked through departures Playing it cool: Cheryl wore faded jeans and a denim jacket teamed with Louboutin heels while Dancing With The Stars professional Derek also played it casual He performed a sultry ballroom dance with her in her video Parachute and did the same dance with her on stage as she supported the Black Eyed Peas on the European leg of their tour. What's more, Hough's stepfather has revealed that Derek is head over heels for Cheryl. Speaking from his Los Angeles home, Aaron Nelson, 54, told the Daily Mirror: 'They are going somewhere very exotic, very picturesque and it will be a nice break for them. Saying farewell: Cheryl hugs her assistant goodbye before going through security 'It will be one of those dream romantic holidays that you take when you are just starting out on a relationship. Derek is totally in love with the girl and wants to spend as much time as he can with her.' Hough is said to have picked the east African country after Cheryl told him she fell in love with the country following her Comic Relief climb up Mount Kilimanjaro last year. The pair took the 10-hour flight and will spend a short break together before Cheryl returns to Britain for more X Factor auditions next week. Cheryl dressed in casual faded jeans and a denim jacket, teamed with Louboutin heels as she stalked her way through the airport, while Hough also dressed down in jeans, a T-shirt and trainers. A source added: '[The holiday] was a complete surprise to Cheryl and she couldn't believe he had gone to so much trouble organising it. 'Head over heels': The pair pictured earlier this month in Paris where they performed on stage together to her song Parachute while the X Factor judge supported the Black Eyed Peas on tour 'She was told to take her passport and all would be revealed at the airport.' Meanwhile it has emerged that chat show host Piers Morgan has reportedly signed up Cheryl for a new tell-all interview. Morgan, 45, who is rumoured to be taking over from Larry King on CNN, has been overheard telling pals that he has signed up the X Factor judge for his new series of Piers Morgan's Life Stories. According to Closer magazine, he was overheard saying to a friend: 'It'll be warts and all - Ashley [Cole] should be very worried!' Celebrities such as Sharon Osbourne, Katie Price, Vinnie Jones, Boris Becker and Joan Collins have all previously spilled the beans about their lives on the show. Idyllic: Cheryl and Derek might find themselves on a stunning beach like this one (file picture of a palm beach in Zanzibar, Tanzania) The American dancer has made no secret of his feelings for the Girls Aloud singer and determined to impress her, organised the holiday as a surprise after she revealed how much she enjoyed her charity trek up Mount Kilimanjaro last year. Cheryl Cole is impressed by Derek Hough's holiday choice (PA) Derek's choice of resort could hardly be further from the tents the X Factor star stayed in during her expedition, as he booked them into the luxurious Doubletree Oyster Bay hotel, which has a private white sand beach on the Indian Ocean. According to the Sunday Mirror, Cheryl has told her mum the hotel is stunning and that she is enjoying spending some private time with Derek. A friend said: "She's having a brilliant holiday. Cheryl is really impressed with Derek's taste and is loving spending some time with him. "They've been enjoying lots of days out and Derek makes her laugh. She is having the time of her life."