The Party Animals shopping task involves the housemates completing all Big Brother's party-based games. They must pass tasks to win a luxury food budget.
Today's new challenges included a Political Party task, which has involved two housemates going head-to-head in a two-minute debate. The housemates will vote for their winner and if the two leaders can guess who has won the most votes, they pass the task.
The second challenge of the day was an Office Party task, which involved the housemates taking on roles of bosses and PAs.
Office chair races, Name That Noise and White Board Pictures were among the office party games that the PAs and bosses took part in. However, one boss was informed by Big Brother that they must win at least two of the challenges as part of a secret mission.
Meanwhile, the Trigger New Year's Eve Party challenge continued. Every time the housemates hear Big Ben's chimes, they have to gather together and sing Auld Lang Syne.
Yesterday's Party Animals tasks included a Slumber Party, an All Nighter Party, a Children's Party and a Dinner Party task.
Big Brother continues daily on Channel 5.
Photo gallery - Big Brother Day 50:
Copyright: Channel 5