According to the given information, 19% of young people admit that celebrity endorsements might influence their decisions. This suggests that celebrity endorsements do make a difference, at least for a certain percentage of the population. However, it's important to note that this doesn't necessarily mean that celebrity endorsements are effective for all people or in all situations. Additional factors, such as the specific celebrity, the product or service being endorsed, and the target audience, can also play a role in determining the impact of celebrity endorsements.