Lali's references to Lady Gaga in the last month fueled speculation about her presence at River.

Argentine pop artist Lali Espósito is set to perform a concert at the River Plate stadium in Buenos Aires, with speculation growing among fans regarding a surprise guest appearance. In the month leading up to the event, a series of references made by Lali regarding American singer Lady Gaga have fueled rumors that the international star might join her on stage.

The widespread speculation among followers comes to a head as preparations for the River Plate concert enter their final 24 hours, driven entirely by the artist's recent social media and public activity pointing toward the potential collaboration.