Paul Rudd has been in the Hollywood spotlight for more than 20 years, winning over fans with his lovable roles, his charming personality, and that adorable, one-of-a-kind smirk. That sweet smile had just about everyone saying "I love Josh!" after seeing 1995's Clueless, and since then, the cute moments have just kept coming. Whether he's walking a red carpet for one of his Marvel movies or simply catching a baseball game, his appearances prove we'll never get over our crush on him. What can we say? The 51-year-old is a timeless gem. Keep reading for Paul Rudd's all-time best smirks, then check out the reasons we can't help but love him.