Britney Spears was a disappointment to the swarm of paparazzi who waited for her to show up for her long-anticipated deposition on Wednesday morning, which reportedly failed to happen due to the pop star's "illness."

Once again, the troubled singer has failed to meet expectations by missing a scheduled deposition with Kevin Federline’s attorney Mark Vincent Kaplan in the bitter custody battle for her and K-Fed's two sons, Sean Preston and Jayden James.

"Approximately 10 minutes after her council appeared they were notified that because of an illness or medical condition Ms. Spears would not appear today and consequently the deposition is not going forward," Kaplan said during a press conference following’s Britney’s absence.

"She's going to show at a later date," Kaplan said, "but we don't waive any rights to ask for certain relief from the court as a result of having a court-ordered deposition not attended."

Celebrity gossip site TMZ.com quoted a close source to Britney as saying "There’s a million people outside of her house. She can see all the other madness (presumably she’s looking at our live streaming video). The anxiety is making her sick. It’s just too crazy."

Speaking to OK! magazine about Britney’s no-show, her pal and adviser Osama Lutfi said that she was "very sick with high anxiety."

According to him, Britney actually intended to make the deposition and said the duo "got up and ready to go" to the offices of Federline's lawyer.

"Her attorneys came to pick her up, but when she saw the media frenzy outside her house, her anxiety skyrocketed."

The 26-year-old singer, who evaded a deposition four times over the course of one year, was reportedly supposed to be questioned under oath about a wide range of questions, including her past, alcohol and substance abuse history and personal issues. However, the details of her deposition wouldn’t have been made public, as a judge ruled last month that the deposition would not be videotaped.

While a final custody arrangement is still pending, Britney, who currently has monitored visitation rights, and K-Fed, who was granted primary physical custody of his sons in October, agreed to share time with the children on Christmas.