The Tonight Show with Jay Leno sizzled with the presence of “I Know What You Did Last Summer” actress and “Ghost Whisperer” lead Jennifer Love Hewitt. Would you say she still has the IT factor? I remember a lot of guys having a huge crush on Jennifer back in the day. This singer-actress also went on all her fours, by the way. Check out the other photos after the jump and see how she looks like crawling on the floor!