'Dallas' star Victoria Principal is set to be the first female tourist in space.The actress has reportedly splashed out£115,000 to be rocketed 70 miles above Earth when Sir Richard Branson launches commercial space flights in 2008.The stunning actress is among 120 people who've paid for a seat on the two-and-a-half hour flight, according to Britain's Daily Mirror newspaper.Victoria isn't the first celebrity to express an interest in space travel.Earlier this year, it was revealed Hollywood heavyweight Tom Hanks was begging space agency NASA to let him walk on the moon.The 'Apollo 13' actor - a self-confessed space nut - is reportedly desperate to join the organisation's next mission into space in 2018.

The star - who recently wrote and produced new movie 'Magnificent Desolation: Walking on the Moon' - has always been a supporter of NASA and space travel.

He was said to be hoping the agency would repay him by letting him join the crew on the moon mission.

He said at the time: "I have just two questions: What will be the mission? And can I go?"