She was all smiles as she mingled with the star-studded guest list, during which she also chatted with press about Michelle Obama and her love life prospects.
Saying that she aspires to be like Mrs Obama, Jess tells, "I really do. She's such an incredible woman, and she's with such a powerful man."
As for what she likes most about the First Lady, Simpson said, "Everything she does she exudes confidence. I'm really just here to celebrate her."
Changing subjects, the "Dukes of Hazzard" darling was also asked about whether there's a man in her life, to which she replied, "I have some situations that I am feeling out."