Actress Cameron Diaz is happy to be friends with her ex boyfriends.

The 41-year-old feels that she has "invested" in her relationships and is happy that she is still in touch with all of them, reports contactmusic.com.

"I'm still friends with my ex-boyfriends, too. I feel like all my relationships are strong - friends, family. I've invested in my people and they're invested in me," Bang Showbiz.com.

The actress, who has been seen in films like "The Mask", "My Best Friend's Wedding" and "There's Something About Mary", has dated Justin Timberlake, Matt Dillon and Alex Rodriguez in the past.