sentences:  Their fourth album, entitled "Monkey Business", was released in 2005 and reached number two in the US and number one in many countries.It spawned their two highest-charting singles on the "Billboard" Hot 100 at the time, "Don't Phunk with My Heart" and "My Humps", both of which reached number three.The Black Eyed Peas released their fifth studio album, "The E.N.D", in June 2009.