adam ambrose is a publicist for true hollywood. >> she walked along here withholding hands in fact withboth looked radiant. when they arrived, they were looking fantastic. >> houston was even up for a little impromptu entertaining. she surprised everyone when she joined her friend, r&b grammy nominee kelly price on stage. ♪ >> the place erupted. i mean, it was very sweet. it was actually very touching when she went on. >> fun times, but too much of a good time? not so, says kelly price. while she says that houston had champagne at the party, she denies reports that things got out of hand with her friend. >> this was not a woman who was depressed, upset, high, drunk. she was clearly in her right mind. she was not acting erratic. >> but "access hollywood's" shaun robinson says the pictures taken that thursday night tell a whole different story. >> i said who is that? what the hell happened? what happened in three months that took her from this person who seemed to really have it all together to this person who looked very dishevelled and just kind of not there? >> in a sad reality, housto