Ethan Zohn & Jenna Morasca
Courtesy Ethan Zohn
02/03/2012 AT 09:40 AM EST
As former Survivor
winner Ethan Zohn prepares for stem-cell treatment
in the coming weeks, the support he's getting from girlfriend Jenna Morasca
is clear just by looking at the couple.
Zohn, 38, and Morasca, 30, debuted matching pink hairstyles this week to stand in solidarity as Zohn tries to beat cancer. Zohn also cut his hair into a Mohawk.
Last September, after months of being in remission
from Hodgkin's lymphoma
, Zohn found out that the cancer had returned
. In January, he announced that he was "responding very well" to the latest round of treatments.
Zohn, who completed the New York City marathon
last November, is scheduled to participate in the Cycle for Survival and the Kaiser Permanente Half-Marathon in San Francisco this weekend. Next weekend, Morasca will join him for New York City's Cycle for Survival.