Donnie and Jordan were in the studio today... here is Donnie's tweet:
How is it that I am spending my day off in the studio with @JordanKnight ? Sleep when we die! Today we fly! Love Life! Live Life!
This could be a clue as to what they may be working on:
RT @mcbride0614: @jordanknight Please make STINGY your next single featuring @DonnieWahlberg .....you guys were awesome last night! --> hmm