Madonna vs Michelle: Cougar Alert!

8/16/2007 11:44 AM PDT BY TMZ STAFF
49 is the new (insert a number less than 49 here).
Madonna, Michelle Pfeiffer
The Material Girl turns 49 today, beginning her countdown to the big 5-0 -- while "Hairspray" star Michelle Pfeiffer turned 49 back in April. Looking good, ladies -- looking real good.