London: Lady Gaga has reason to rejoice as `Toxic` hitmaker Britney Spears is keen on recording a duet with her.
Gaga, who recently trumped Spears to become the person with the most followers on Twitter, began her career writing songs for Spears.
The outrageous popstar wrote pop tracks for various Hollywood artists including Spears who now wants to work with her former songwriter, reported Contactmusic.
Of late, Gaga replaced Spears as the most followed celebrity on Twitter, but the pop princess insists she has no hard feelings Gaga.
"I`m a big fan of hers. Anything`s possible," Spears told Pop magazine when asked about a collaboration.
Gaga had earlier collaborated with Beyonce Knowles on the super hit `Telephone`.