'Big Bang Theory' star Kaley Cuoco marks major relationship milestone with Tom Pelphrey

'Big Bang Theory' star Kaley Cuoco marks relationship milestone with Tom PelphreyThe Big Bang Theory alum Kaley Cuoco and fiance Tom Pelphrey are still going strong as they celebrate their fourth anniversary.The 40-year-old actress, who got engaged to Tom in 2024, took to her Instagram account on...