Happy birthday, Jennifer Lopez!

Actress-singer Jennifer Lopez turns 45 on July 24, so let's look back at some other big events for "Jenny from the Block," including her performance here in June at the 2014 World Cup in Brazil.

Actress-singer Jennifer Lopez turns 45 on July 24, so let's look back at some other big events for "Jenny from the Block," including her performance here in June at the 2014 World Cup in Brazil.