The hearing was held behind closed doors, but reporters and photographers saw her enter the courtroom, even though they couldn't take a picture of her face or give her name.
As the woman walked from a fire-exit door across a hallway into court she held her head high, eyes focused forward and appearing confident and calm, reports CBS News Correspondent Lee Frank. In the months since she met Bryant, his accuser has changed her hair color from blond to red-tinted and she has gained some weight.
The hearing was to determine whether details of the woman's sex life can be introduced at Bryant's trial. The defense says the information should be admitted because it could show that the woman's injuries were caused by another sexual partner and that she had a "scheme" to sleep with Bryant, possibly to gain the attention of an ex-boyfriend.
"This is one of those rare cases where the defense does have a right to explore the victim's other sexual history," Loyola University Law Professor Laurie Levenson told CBS News, and the reason is because there's a key question in the case, how did she get the injuries? Did she get them because Kobe forced himself on her, or did she get those injuries from someone else?"
The prosecution fought to limit defense questioning, but was rebuffed by the Colorado Supreme Court. The hearing is the first time the woman has faced Bryant since their encounter last summer, reports CBS News Correspondent Bill Whitaker.
The judge can halt questions he believes are unfair or irrelevant and prosecutors can object.
"The whole purpose of this closed-door hearing is to determine whether this information about Bryant's accuser is relevant enough to this case to go before jurors," says CBSNews.com Legal Analyst Andrew Cohen. "But there is a decent chance that the topic of this hearing will never see the light of day at trial."
"This is a wonderful opportunity for Bryant's attorneys to cross-examine his alleged victim and to evaluate how she does on the witness stand. And that will mean a more effective cross-examination at trial. So whether the defense ultimately wins or loses this rape-shield fight it's already ahead of the game because of this free preview," says Cohen.
The Los Angeles Lakers guard has said he had consensual sex with the woman at the Vail-area resort where she worked. If convicted, he could get four years to life in prison or 20 years to life on probation. No trial date has been set.
Colorado's rape-shield law, like others around the country, generally bars defense attorneys from bringing up information about an alleged victim's sex life. The idea is prevent the defense from depicting the alleged victim as a woman of loose morals. Judges, however, can hear such testimony in private to determine whether the information is relevant and admissible as evidence.
Experts said it is not unusual in Colorado for an alleged victim to testify in such pretrial hearings. But none has attracted such widespread publicity.
The woman's name and photos of her are splashed almost weekly on the covers of supermarket tabloids and can easily be found online. Court filings are posted on the Internet for anyone to see.
"This is the most harmful misuse of the rape-shield law I have ever seen," Wendy Murphy, a former prosecutor who teaches at the New England School of Law and comments on legal cases for CBS News' The Early Show, said. "Without it, the defense would have nothing to point to to drag her into court."
She said she believes many women are watching to see how Bryant's accuser handles what could be hours of grueling testimony. "If she makes it, then I think a lot more women will come forward and be able to handle what comes out" in court, Murphy said.
Nationally, 84 percent of sexual assault victims do not go to police, most out of fear people will learn about the assault or that they will be blamed for the attack, according to a 1992 study by the National Crime Victims Research and Treatment Center at the Medical University of South Carolina.
The hearing about the woman's sexual activities is scheduled to end Wednesday. Another closed-door hearing resumes Thursday on a request by Bryant's lawyers to throw out evidence including the NBA star's recorded statements to investigators and a T-shirt stained with the accuser's blood.