A source tells ET that the pop superstar 'feels like the rug has been pulled from underneath her' amid divorce.
Christine also wants the court to compel Kevin to produce financial records.
The couple previously filed for divorce earlier this year, only to dismiss it in July.
The pop star showed off her new four-legged friend on Instagram.
Berry and Martinez share 9-year-old son Maceo.
The comedian poked fun at his fellow 'AGT' judge's newly-single status on Tuesday's first live show.
A source tells ET, "Britney felt like things shifted in her relationship with Sam once her conservatorship ended.”
Asghari filed to divorce the singer Wednesday after just one year of marriage.
He filed for divorce from Britney Spears after one year of marriage.
If Britney Spears and Sam Asghari’s prenup stands, Sam will not receive a payout or spousal support.
The lyric change comes amid news of Spears' divorce from Sam Asghari.
The actor's rep says he has 'no negative intention' toward his estranged wife.
ET exclusively reported that Sam is the one who filed for divorce.
Sam Asghari filed for divorce from Spears on Aug. 16, after one year of marriage.
