Demi Moore’s daughter, Tallulah Willis, joined her two older sisters by becoming a debutante and attending Le Bal des Debutantes at the Paris Hotel Crillon Saturday night.

The high society event featured 23 daughters of wealthy and affluent people, including children of business leaders, famous actors, and aristocrats of all persuasions. The occasion marked the girls’ transition into womanhood and the entrance into a coveted and public position.

Tallulah, 17, was one such fashionable guest, and playing her part to perfection, she showed off her strapless black and silver sequined gown created by Lanvin, according to People magazine.

Accompanying the newly minted debutante were her older sisters, Rumer and Scout, and her father, Bruce Willis. The elder siblings both made their entrances into the debutante world over three years ago, so they also attended to guide Tallulah.

Tallulah’s father, though also in attendance, was more reserved, especially when compared to past debutante balls.

"He was a little different than three years ago [when Scout was a debutante], more reserved," said a source that attended the ball to People magazine. "[Willis] was there for his daughter, but protective.”

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According to the source, Bruce eventually broke out of his shell at the ball, dancing with Tallulah and “[becoming] more relaxed.”

“He's a dad and he wanted to be certain she felt the evening was for her," the source reported.

Noticeably absent from the festivities was Demi Moore and Ashton Kutcher. Despite the divorce, it was reported that Kutcher had a healthy and close relationship with all three girls.

So far, further details on the couple’s breakup and the effect of losing yet another father figure on the three girls is unknown; the family is being very tightlipped about the divorce.