Jamie Lynn celebrated her birthday with a message to Justin Timberlake, who's jamming to his music and finally understands its meaning. Apparently.
She Tweeted (with the above photo):
@jtimberlake Weird hearing ur music as an Adult ha..Not only do I appreciate it.I GET it #jay #crymeariver #mirror
"Cry Me A River" hashtag? The infamous track about Britney? I feel uncomfortable.
UPDATE: She Tweeted a followup:
I hope you all know that my tweets are only to support my sister @britneyspears - anything left over was to @jtimberlake #sisterlove #4eva