As 53-year-old Ali denies those Lindsay lesbian rumors, big sis had date night with rumored beau Samantha Ronson.  Over the weekend, the two plaid-clad lovebirds grabbed a bite at Malibu’s Taverna Tony.

Meanwhile, scary mom-ager Dina was recently quoted as saying, “We live a normal existence in suburbia.  I do the food shopping, the laundry…”  No comment on what kind of cereal DJs prefer!