Dannielynn Birkhead may have just become one of the world’s richest 18-month-olds.

Los Angeles Superior Court Judge Mitchell Beckloff ruled today that the toddler daughter of Anna Nicole Smith and Larry Birkhead is the sole heir to her late mother’s estate, and a trust was set up in her name.

Dad Larry and the executor of Anna Nicole’s estate, lawyer Howard K. Stern, will be co-trustees, after Beckloff granted a petition filed by Stern, who wanted to clarify the late actress/model’s intentions ...