From Lil Bub  hitting the Tribeca Film Festival to Justin Bieber  hanging with his pet monkey, we've rounded up our favorite pictures of celebrities and animals from the month of April. It seems the theme of the month was enjoying some serious downtime with furry friends. Click through for a collection of snaps sharing sweet moments between celebrities and their favorite animals.
Justin Bieber  spent some quality time with his monkey, Mally.
Paris Hilton  was excited to hang out with her pups.
Bar Refaeli  spent time in the sun with her fluffy dogs.
Kim Kardashian  gave her pup big kisses.
Jessica Biel  opted to cuddle in the crate with her dog, Tina.
Bar Refaeli  snuggled up with her dogs.
Lil Bub and Robert De Niro  shared a special moment at the Tribeca Film festival.
Rosie Huntington-Whiteley shared this sweet pic of her pup.
Miley Cyrus  gave her cute pup lots of love .