Click on image below to go to the registration portal. Note that there is added benefit for Honors Diamond members who will received an additional 10,000 bonus points after every 10 nights, up to a maximum of 50,000 bonus points - a truly lucrative offer! Promo period is 1 September 2017 to 31 December 2017. The complete T&C are provided after the jump. Enjoy! TERMS AND CONDITIONS Offer valid September 1, 2017, through December 31, 2017 ("Promotion Period") at any hotel or resort within the Hilton Portfolio excluding Hampton by Hilton Hotels in Mainland China. Hilton Honors™ members must first register at HiltonHonors.com/DoubleUp prior to completing a stay within the Promotion Period. Registered Hilton Honors members will only receive Bonus Points for nights completed during the Promotion Period, regardless of a check-in date before the Promotion Period begins or a check-out date after the Promotion Period ends. Registered Hilton Honors members will earn Double Hilton Honors Bonus Points per stay during the Promotion Period. "Double Points" means you will receive a bonus equal to the number of Base Points earned during a stay. There is no limit to the total amount of Bonus Points that may be earned during the Promotion Period with this offer. However, there are restrictions on the amount of Base Points that can be earned on a single stay at certain brands. See Hilton Honors Terms and Conditions for more details. Bonus Points earned on Base Points do not count toward tier qualification. Please allow six to eight weeks from completion of your stay for points to appear in your Hilton Honors account. Hilton Honors™ membership, earning of Points & Miles™ when booking direct and redemption of Points are subject to Hilton Honors Terms and Conditions. Excludes Hampton by Hilton Hotels in Mainland China.