Lindsay Lohan has a new little brother.

Her father, Michael Lohan, 52, and fiancee Kate Major, 29, welcomed a baby boy Wednesday at a Florida hospital, Michael Lohan's rep confirms to E! News.

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Meanwhile, his older sister was in court in Los Angeles for a pretrial hearing related to a probation-violation case. She also faces three misdemeanor counts related to a June car crash.

The littlest Lohan, named Landon Major Lohan, weighed in at 7 pounds, 5 ounces.