He has warned that Britney's estate could be at risk with Zabel as a conservator and that his lack of experience could lead to a huge mess.
The arrangement was put in place in 2008 after she made multiple trips to rehab and temporarily lost custody of her two sons.
Britney Spears is a pop icon who has been in the news not only for being one of the best artists ever but also for the controversial angle of her conservatorship under her father Jamie Spears.