Lindsay LohanLindsay Lohan has advised her younger sister Ali to stay away from the clubs — and urged her to “keep her head on straight.”

“Stay away from the clubs!” Lindsay, 21, tells Extra in a new interview about 14-year-old Ali — who is set to be featured on mom Dina’s new E! reality show.

Ali has previously spoken of her desire to follow in Lindsay’s footsteps — she told Teen Vogue last month: “I grew up watching Lindsay. It made me want to do what she does. (more…)