Sister Ali will have to undress the part if she wants to compete with this older sister of "Mean Girls" fame
The 49-year-old mother-of-two enjoyed the spotlight for as long as she ... LuAnn 
and Jacqueline had some competition coming in the shapely form of ... Lindsay 
Lohan's younger sister Ali opted for a billowy black and .... after horror robbery 
The Keeping Up star will have just family by her side for her 36th.