Lohan's sister fought to vent her anger in video

Lindsay Lohan's little sister Ali begged to be part of the pop star's harrowing new video Confessions Of A Broken Heart in a bid to vent her anger about her father.

In the promo, the Lohan siblings play themselves trying to cope with their warring parents, played by actors, and in one scene they hide in their bedrooms as their folks argue violently.