What is the fine-grained topic of the following text: Aishwarya Rai Bachchan turns 37 on November 1, 2010, and on the anvil is a dinner party being readied for her with family and close pals, with an express surprise being thrown in for good measure by hubby Abhishek. Only return the topic.
Aishwarya Rai Bachchan's 37th birthday celebration plans