Paul Rudd is People Magazine’s “Sexiest Man Alive.” Stephen Colbert exclusively revealed the news on Tuesday night. The 52-year-old actor is best known for his roles in Clueless, Ron Burgundy, Ant Man and The 40-Year-Old Virgin. Rudd joked, “I hope that I’ll finally be invited to those sexy dinners with George Clooney and Brad Pitt and Michael…