Photo Credit: Retna

Sure, Jennifer Aniston has started a new decade of her life, but she hasn't completely moved on: She's kept voice messages from her ex-husband, Brad Pitt, she confesses in the March issue of Marie Claire magazine. "I still have the cassette tapes of messages from my first boyfriend, my second boyfriend, my husband," says Jen, whose divorce from Brad became final in 2005. "It's like saving love letters."

For more on Jen, including her 40th birthday party, pick up the latest issue of Life & Style, on newsstands now!