She 'confessed to' a love of trashy romance novels. [=she admitted that she loves trashy romance novels]
I must 'confess' [=I am a little embarrassed to say] that I know nothing about computers.
She 'confessed to' having lied to me in the past. [=she told me that she lied to me]
(..) across the Narrow Sea. But you cannot have him by your side when you do. Remove Ser Jorah from the city. Confess. My son. Let me speak to-- Confess. I meant it. My face will be (..)2015 TvShow: Game of Thrones Title: Hardhome Season: 5 Episode 8
(..) as devoted to anything as he is to serving you. And yet he did betray you. Did he have an opportunity to confess his betrayal? Yes. Many opportunities. Tyrion: No, not until forced to do so. (..)2015 TvShow: Game of Thrones Title: Hardhome Season: 5 Episode 8