Luke Bryan has a special surprise in store for him on the opening night of his US tour - wife Caroline has brought along a new fan.MORE: Luke Bryan receives outpour of love as he shares bittersweet message"Fireball the monkey is ready for opening night!" she captioned a picture of her with a large stuffed monkey that wears a grey sweater with a red hood that reads: "Wild about you."WATCH: Luke Bryan surprised on stage by wife Caroline in sweet videoCaroline was on a private jet with girlfriends as they headed to Las Vegas for the opening night, and she also shared a picture of Luke smoking a cigar and giving Fireball a cuddle."You three have a blast opening night. It is going to be epic," commented one fan as others shared laughing emojis and one wrote: "I absolutely love that you brought him!! You’re awesome!"MORE: Luke Bryan gets fans talking with rare pictureThe Raised Up Right tour kicks off on Friday 11 February in Las Vegas and alongside a teaser image of the upcoming gigs, the American Idol judge wrote: "My favorite place to be is on stage performing to country music fans.