Jake Gyllenhaal has been in the spotlight for almost 20 years, and since his debut in 1991's City Slickers, he's grown into major leading-man material. Most recently, he garnered lots of attention for his creepy role in Nightcrawler, as well as his impressive transformation in the upcoming movie Southpaw. Jake has the ability to go from sweet to sexy to slightly scary in no time; in honor of his 34th birthday on Friday, we've rounded up the photos of him that show off his many facets. Scroll through to see them all now, and check out way more celebrity eye candy when you're done.
34 Pictures of Jake That Will Have You Saying "Gyllenhaal-alujah!"