Big Brother fans 'work out' who will win 2025 series after one episodeBig Brother fans are convinced they already know who will be crowned the 2025 championGMB: Ali Bromley gives advice to Big Brother contestantsBig Brother enthusiasts have already declared their 2025 winner as a fresh series makes its return to television. Yesterday evening witnessed a new batch of contestants enter the famous Big Brother residence as the new contestants were introduced. ‌View 3 Images Big Brother made its comeback on September 28However, as the much-awaited programme returns, viewers are already declaring their victor. Another added: "Big brother winner prediction: Caroline." Big Brother continues tonight at 9pm on ITV2 and ITVX