By Lucretia Munro With just hours remaining until the hugely anticipated final of Celebrity Big Brother, it looks as though David Potts could be crowned winner. The 30-year-old star, who shot to fame while appearing on Ibiza Weekender, has also starred in a number of other reality shows including Celebs Go Dating. According to TV betting expert James Leyfield, David has odds of 4/9 to win the mirror.co.uk/all-about/itv>ITV show. Meanwhile, Louis Walsh appears to be close behind him with 5/2, Nikita Kuzmin has odds of 8/1, while Colson Smith is coming in at 25/1 and Fern Britton has odds of 28/…