A FORMER beauty queen appeared in Western Court yesterday charged with trafficking in cocaine. Betty Yau Pik-yu, 25, Miss Popularity in the 1988 Miss Hongkong contest, faces a charge of trafficking in 15.36 grams of a substance containing a salt of cocaine and two tablets containing a Part 1 poison. She is charged jointly with Lo Man-ho, 27. Lo also faces a charge of possessing 24.73 grams of cannabis. The offences were allegedly committed on March 30. The defendants were remanded on bail until July 2.