MainPage.Xaml

<ListBox Name="listBoxPopular" ItemsSource="{Binding PopVideos Mode=OneWay}">
                    <ListBox.ItemTemplate>
                        <DataTemplate>
                            <StackPanel>
                                <Image Name="imagem" Source="{Binding Path=Url}"/>
                                <TextBlock  Text="{Binding Path=Titulo}" Tap="HyperlinkButton_Tap"  FontSize="30" Foreground="#FF159DDE" />
                            </StackPanel>
                        </DataTemplate>
                    </ListBox.ItemTemplate>
                </ListBox>