Help w/ my music ignment!?!?!? EEzy 10 pts!?

hello, so i have 2 choose an appropriate, modern song for a 13 yr old. itz 4 my music cl. any ideas? i really like miley cyrus, demi lovato, kelly clarkson, those artists. so, i guess i like pop. there cant be any drugs/alcoholic/explicity etc etc. thanx so much!!!