It's been a dramatic week for Katie Holmes as on Friday she officially files for divorce from her husband of five years Tom Cruise. Katie's profile has been raised since being linked to the Hollywood icon and it's interesting to see the way she has changed in the last 7 years. She has worn many glamorous red carpet looks and become famous for her boyfriend jeans. She has also helped shaped the style of her daughter Suri Cruise who is surely a style icon in the making? This week, Katie stepped out for the first time without her wedding ring wearing killer heels. Click through to see photos of Katie through the years.