10/24/2015 3:00 PM PDT BY TMZ STAFF
Lambert took to Twitter Saturday, saying, “No beef tween Demi & Nick and me. Biz negotiations are complex- why do we care about the rumors?” However, a source close to Adam tells TMZ the singer was very disappointed he was dropped and his people are PISSED.
Adam also tweeted out a Demi song he was listening to with the caption, “I love this track.”
TMZ broke the story … Lambert was set to hit the road with Demi during her upcoming world tour but she gave him the ax last minute for Nick Jonas.