She's back and she is on fiyerrrrr! Lindsay Lohan's guest-stint at hosting Chelsea Lately brought the laughs Monday night ? proving she still possesses the gift we all loved to watch back in the day. During her opening monologue, she chose to thank the celebrities who kept the tabloid business alive during her stay at rehab. Mark Wahlberg,might've once been cuffed for his very own antics,but the daddy of four is all grown up and kindly took a break from his 2 Guns promo tour to give his future co-star,Justin Bieber,some fatherly advice.Mark urged Justin to turn around his icky 'naughty' ways,like his nightclub brawl and peeing,spitting,and pot smoking habits,before it is too late! Justin Bieber's entourage facing investigation after nightclub brawl.The pop superstar visited the South Pointe nightclub in Southampton with a group of friends and a number of bodyguards, but it descended into chaos after the singer allegedly became involved in a verbal spat with another clubber.