J.Lo is a collection of songs.
J.Lo (album) . The album 's second single , `` Play '' ( released on March 27 , 2001 ) , reached the top twenty in most countries and top five in United Kingdom . The Latin pop song , titled `` Ai n't It Funny '' was released as the album 's third single on June 20 , 2001 . `` Play '' is a song recorded by American singer Jennifer Lopez for her second studio album , J.Lo ( 2001 ) .