TikTok Star Taylor Rousseau Grigg Dead at 25

TikTok star Taylor Rousseau Grigg, who's amassed over 1.4 million followers on the platform, has died ... this according to her husband. Cameron Grigg, the 25-year-old influencer's husband, shared the news on his social media Saturday ... saying her passing was, "so sudden and unexpected" -- adding, "This past year Taylor has dealt with more pain and suffering than most people do in a lifetime." Waiting for your…