New Delhi, May 15 (PTI) Twinkle Khanna is pregnant with her second child and husband Akshay Kumar says his son Aarav is happy that he is going to have a younger sibling. Elated about welcoming a new member in family, the 44-year-old actor said he spends most of his time at home with Twinkle, who is expecting the baby in September this year. The couple tied the knot in 2001 and has a 11-year-old son Aarav.

"Aarav is too happy now as he will have a sibling at home," Akshay told PTI. The actor, who will next be seen in action film "Rowdy Rathore", says he found it hard to shake a leg with director-choreographer Prabhu Deva in the film. "It was definitely difficult to work under his choreography.

 There is a South Indian touch in the film, with 70s style action and heavy dialogues. I just followed my director in the movie. They had this sketch in their mind for the role and I acted accordingly," he told PTI. Cast opposite Sonakshi Sinha in the upcoming movie, Akshay praised the actress' Indian looks and admired her professionalism. "She is a beautiful girl with her own style of acting. I do not like the concept of size-zero.

 She is a voluptuous beauty and that is her plus point," said Akshay, "Rowdy Rathore", a remake of Telugu film "Vikramarkudu", is slated to release on June 1. Akshay will be seen playing a double role in the movie, which is an action centric film with a tinge of comedy. Akshay, the new face of Honda motorbikes, was in capital today for the promotional launch of the bike Dream Yuga. The actor, famous for performing all his stunts himself, says he likes to spend his free time riding bikes and climbing rocks but requested the youngsters to be cautious with speed machines. "My message to young people is to drive safely and be careful. Do not show off to girls, as they say speed thrills but it kills too."