Jessica Simpson, 45, recently embraced a nostalgic Y2K aesthetic for a Paris Hilton-themed event. The look was curated entirely by her 15-year-old daughter, Haven, marking a playful shift in the star's relationship with her teenage children.

A Paris Hilton-themed Y2K party via Haven’s closet

The outfit, which was chosen by her daughter Haven, featured a beige tank top with gray stars and a low-slung brown miniskirt. As Simpson shared on Instagram, the ensemble was intended for a Paris Hilton-inspired end-of-summer party. To complete the turn-of-the-century vibe, the singer paired the pieces with stacked necklaces, a chunky gold bangle, and brown knee-high boots.

Fans reacted enthusiastically to the throwback aesthetic on social media. According to the report, commenters praised the 45-year-old's ageless appearance, with one follower noting that she looked nearly identical to how she did two decades ago. Other fans commented on how well the "40s" look suited her, with some jokingly suggesting she was "aging backwards."

From "mom outfits" to raiding Jessica’s wardrobe

This stylistic shift follows a period where Simpson's daughters, Honor (18) and Haven (15), reportedly criticized her fashion choices. The businesswoman explained that her children used to label her clothing as "mom outfits," a critique that she previously found insulting. However, the dynamic has since shifted from judgment to imitation.

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Simpson noted that she feels she has "crossed into being cool again" because her daughters now frequently borrow her clothes. Her eldest daughter, Honor,even joked in the comments of the Instagram post that the outfit credits belonged to Haven's closet.. This generational exchange mirrors a broader internet culture trend where Gen Z heavily adopts the fashion staples of the late 1990s and early 2000s.

Breaking the rules of layering and mixing metals

Simpson’s approach to fashion has become significantly more relaxed as she has matured. In her early 20s, the singer admitted to overthinking and overanalyzing every single style decision . Now, she embraces a "no rules" philosophy that prioritizes comfort and immediate enjoyment.

The singer's current style involves heavy accessorizing and a more casual, experimental attitude.. She mentioned that she enjoys wearing big hoops and layering various necklaces and bangles. For Simpson, the more casual the base outfit , the more she leans into stacking different metals and textures to create a unique look .

The personal shift following her January 2025 split with Cash Warren

While her fashion sense is evolving, Simpson's personal life has also undergone a major transition. The report notes that she and her ex-husband, Cash Warren, announced their split in January 2025 after nearly 17 years of marriage. The couple shares three children: Honor, Haven, and eight-year-old Hayes.

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While the source details her recent style evolution and the details of her divorce, it remains unclear how this significant life change is influencing her long-term career or personal wellness. For now, Simpson seems focused on finding confidence in her own skin and enjoying the creative influence of her daughters.