During an appearance on Jimmy Kimmel Live! on Wednesday, the actor confessed that he accidentally congratulated the A Star Is Born actor after Robert's Golden Globes win earlier this month."Downey does this amazing acceptance speech at the Golden Globes, and I'm so excited for him so I text him, 'So glad you won. That is the most beautiful acceptance speech I've heard in a long time. Boy, do you deserve it,'" Rob told the talk show host. "I hit it and I realise, 'Oh s**t. I just sent that to Bradley Cooper'"...