Lindsay Lohan "Thrilled" at Mom's Approval of Samantha Ronson Romance

Lindsay Lohan is said to be "thrilled" her mom Dina approves of her relationship with gay DJ Samantha Ronson.

Lohan -- who is yet to officially confirm she's dating Mark Ronson's sister -- is glad to have the support of her mother.

Dina recently said that Sam is great for her daughter.

"I love Samantha," she said. "As long as my daughter is happy and healthy, it is what it is."

A source close to Sam reveals, "She realizes now that her mum was hesitant because she thought Sam might break her heart.

"But Dina has really warmed to Sam, and she can see how well Lindsay is right now.

"She is supportive of her - and Lindsay is over the moon."

Lindsay, 22, and Sam, 30, have also bought each other matching 'infinity' bracelets and necklaces.

The pair each have a Jules Smith Infinity Lock bracelet. They also both have anchor necklaces as a symbol of how they are each other’s 'anchor'.