I forgot her particular sob story during the auditions......at least we know it wasnt that she just had a baby...Mike cornered the market on that one ;-)
I think a close friend of hers died and the song she auditioned with was for her, hence the tears.
And Seacrest--even on a good night he can be annoying. Tonight he was insufferable. He was trying to prod Didi to tears right up until the final moments. What more do they want from her?