'The Bachelor' After 20 Years: Host Chris Harrison Reveals Show's Biggest Reunion

"The Bachelor at 20: A Celebration of Love" airs Feb. 14 on ABC.

On Valentine’s Day Sunday, Harrison will host "The Bachelor at 20: A Celebration of Love," a two-hour special celebrating two decades of happiness, heartbreak and hysterics.

Looking back on those years of "The Bachelor," Harrison will reminisce with viewers about 20 seasons of romance: the memorable first meets and the romantic dates where love bloomed, some of which led to heartbreak, and others to touching proposals.

Then, Bachelor Nation is invited to another wedding, as Jade Roper and Tanner Tolbert, the newest sweethearts, tie the knot.

"The Bachelor at 20: A Celebration of Love," airs Feb. 14 on ABC.