India, March 3 -- Amidst swirling rumors of a possible divorce, Justin and Hailey Bieber's relationship is once again under scrutiny. On Saturday, both stars shared glimpses of their lives to mark a significant occasion: Justin's 31st birthday. While the birthday posts seemed innocent enough, the content left many fans questioning the state of their marriage. One of the videos shared by Hailey on her Instagram Stories showed the model bringing a birthday cake to Justin while surrounded by friends. Observers quickly pointed out that throughout the entire interaction, Justin never once looked at Hailey. "His wife is carrying the cake, he is blowing out the candles, and the entire time he doesn't look at her face even for a moment... 'Happy ...