Britney Spears spent the last week partying in New York, for Fashion Week. The pop star was in Big Apple together with her sons, and was seen exiting a drug store and hitting various nightclubs. The New York papers chronicled her night-partying, which is starting to worry some of her former associates or friends.

Her former assistant, Felicia Culotta, has written a letter to Ruben, the owner of one of Britney's largest fansites, World of Britney. Like many others, she seems disgusted by the Britney we see now, but she says she is doing what she can to help her back on track. Here is a small fragment from her letter:

I want you to know Ruben that WE (as in her Family and nearest and dearest—ALL of whom are NOT on the payroll anymore!!) are doing EVERYTHING in our power to get help for Britney and all in our power to NOT pad the bottom or move the bottom, so when she does indeed hit rock bottom, she’ll stand up and walk away from this whole fiasco a new, confident, changed, career driven Britney like we all knew and loved.

Justin sends an alarm signal to Britney as well

Justin Timberlake is worried about his former girlfriend as well. Jossip reports he sent the following shout-out when he took the stage at the Brit Awards in London:

Stop drinking! You know who you are. I'm speaking to you. You are going to get sloppy.

It's not hard to guess who he was talking about.