London, Dec 27 : Chelsea FC owner Roman Abramovich's girlfriend Dasha Zhukova is reportedly pregnant with their second child.

Zhukova, who is believed to be four month pregnant, flaunted her baby bump as the couple spent Christmas in the Caribbean with their three-year-old son Aaron, the Sun reported.

The 31-year-old Russian socialite was also seen walking about island of St Barts, where the couple owns a 70-acre estate.

The twice-divorced mogul, worth 8.4 billion pounds, has been divorced twice and has two sons and three girls with former wife Irina, with whom he split in 2007 after 16 years of marriage. (ANI)