Social media influencers-such as the 'Instafamous'-are required to disclose any commercial relationship. To achieve transparency, Instagram has introduced a standardized disclosure ('Paid partnership with [brand]'). This study examined whether this disclosure effectively raises ad recognition, and how this consequently affects consumers' responses to the message, influencer, and brand. Additionally, the effects of the disclosure were compared between micro-(< 10,000 followers) and meso-(10,000-1 million followers) influencers. Results of an online experiment (N = 192) with a 2 (no disclosure vs. standardized disclosure) x 2 (micro-vs. meso-influencer) between subjects design showed that the disclosure did achieve its goal of increasing ad recognition. Furthermore, the disclosure positively affected brand recall and intentions to engage with the post, via ad recognition. The parasocial interaction with the influencer was not affected. Moreover, influencer type did not moderate the effect of the disclosure and did not affect people's responses to the message, influencer, or brand.