Call The Midwife has won the award for Period Drama.
The popular Sunday night BBC show beat Peaky Blinders, Poldark, Stranger Things, and Victoria.
Graham Norton has joked his National Television Awards prize will "turn to hell" after he forgot to thank his mother while on stage.
Emmerdale beat the other soaps for the first time ever at the NTAs and Graham Norton was honoured for his 20-year showbiz career.
Celebrities are beginning to file onto the red carpet ahead of tonight's live show which starts at 7.30pm.