We've been learning 'The Best of Me (acoustic)' by The Starting Line and we've pretty much got that one down. It sounds pretty awesome.
We've also been making a medley. This medley consists of many songs including: California Gurls, Love Story, Baby, Bad Romance, Airplanes, Soul Sister, Kissin' You, and a few more. I'm really excited about it.
Other songs we've started learning or want to learn are:
Six Feet Under the Stars - All Time Low
Sugar Sweet - Sing It Loud
So Obvious - Runner Runner
The Only Exception - Paramore
Free Fallin' - Allred