I once made a reservation through lvrs, but did not receive any HHonors points. Here's a E-mail from HHonors.
>Thank you for your e-mail.
>
>When you have a stay at a Hilton Hotel, you have to be the paying
>registered guest at time of check in, in order to receive HHonors points.
>Unfortunately, prepaid stays are not eligible for HHonors credit.
>
>Best regards,