Aishwarya Rai Bachchan is a dear friend of Preity Zinta and the bubbly actress wishes her all the very best. Preity is happy to hear that Ash is pregnant and is expecting to meet her very soon.Talking about their friendship, she had earlier said, “Ash is someone I can call a friend. We have kept in touch and shared our ups and downs through the years. We have always been there for each other