Brangelina lovingly call each other Kitty and Miffy

If sources are to be believed, Hollywood power coupleBrad Pitt and Angelina Joliehave pet namesfor each other– KittyandMiffy. It has also been claimed that the duo use the nicknamesto secretlycheckinto hotels.While the 48-year-old actor refers theTomb Raiderstar with the nickname Kitty,Jolieaffectionately callsPittMiffy.''Brad and Angelina are very lovey-dovey towards each other and don't care who seesit,''a source told The Sun newspaper. The coupleraise sixkidstogether, Maddox, eleven, Pax, nine, Zahara, seven, Shiloh, six, and four-year-old twins Knox and Vivienne .